{"cik":1124827,"entityName":"UTi WORLDWIDE INC","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2010-09-02","val":101789486,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q3I"},{"end":"2010-12-02","val":101838576,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q4I"},{"end":"2011-03-30","val":102136291,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2011Q1I"},{"end":"2011-06-06","val":102650083,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q2I"},{"end":"2011-09-07","val":102766799,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q3I"},{"end":"2011-12-05","val":102796358,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q4I"},{"end":"2012-03-26","val":102852846,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-03-26","val":102852846,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2012Q1I"},{"end":"2012-06-04","val":103577640,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q2I"},{"end":"2012-09-03","val":103747229,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q3I"},{"end":"2012-12-04","val":103768537,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q4I"},{"end":"2013-03-27","val":103961646,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-03-27","val":103961646,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2013Q1I"},{"end":"2013-06-03","val":104520936,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q2I"},{"end":"2013-09-03","val":104751068,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q3I"},{"end":"2013-12-04","val":104761063,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q4I"},{"end":"2014-03-25","val":104828751,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2014Q1I"},{"end":"2014-06-02","val":105388138,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q2I"},{"end":"2014-09-03","val":105449846,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q3I"},{"end":"2014-12-04","val":105458745,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q4I"},{"end":"2015-03-25","val":105562946,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2015Q1I"},{"end":"2015-06-03","val":106000993,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q2I"},{"end":"2015-09-03","val":106060988,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q3I"},{"end":"2015-12-07","val":106081706,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q4I"}]}},"EntityPublicFloat":{"label":"Entity Public Float","description":"The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.","units":{"USD":[{"end":"2009-07-31","val":1000000000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2I"},{"end":"2010-07-31","val":1300000000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2010-07-31","val":1300000000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q2I"},{"end":"2011-07-31","val":1400000000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-07-31","val":1400000000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q2I"},{"end":"2012-07-31","val":1000000000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-07-31","val":1000000000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q2I"},{"end":"2013-07-31","val":1300000000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q2I"},{"end":"2014-07-31","val":900000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q2I"}]}}},"invest":{"DerivativeNotionalAmount":{"label":"Derivative, Notional Amount","description":"Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.","units":{"USD":[{"end":"2012-07-31","val":57223000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2I"},{"end":"2012-10-31","val":49358000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":40145000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":34581000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1I"},{"end":"2013-07-31","val":43748000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-07-31","val":43748000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2I"},{"end":"2013-10-31","val":37380000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-10-31","val":37380000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3I"},{"end":"2014-01-31","val":29372000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":29372000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":31749000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-04-30","val":31749000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1I"},{"end":"2014-07-31","val":17452000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-07-31","val":17452000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2I"},{"end":"2014-10-31","val":11385000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-10-31","val":11385000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3I"},{"end":"2015-01-31","val":17885000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":17006000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":12870000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":15528000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}}},"us-gaap":{"AccountsPayableAndAccruedLiabilitiesCurrent":{"label":"Accounts Payable and Accrued Liabilities, Current","description":"Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.","units":{"USD":[{"end":"2010-01-31","val":731518000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":732018000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":732018000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":790490000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":884341000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":822887000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":822887000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":822887000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":822887000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":822887000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":822887000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":907755000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":928041000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":879582000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":859086000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":859086000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":859086000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":859086000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":859086000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":859086000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":859086000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":833365000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":792602000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":766887000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":786444000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":786444000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":786444000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":786444000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":786444000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":786444000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":806682000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":835251000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":858779000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":754965000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":754965000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":754965000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":754965000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":756706000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":776919000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":739619000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":752274000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":698450000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":698450000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":698450000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":698450000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":661173000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":624661000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":650840000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"AccountsPayableCurrent":{"label":"Accounts Payable, Current","description":"Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-01-31","val":634275000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":634275000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":649939000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":649939000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":649939000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":649939000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":592529000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":592529000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":596834000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":562095000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":562095000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":500853000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"AccountsReceivableNetCurrent":{"label":"Accounts Receivable, after Allowance for Credit Loss, Current","description":"Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.","units":{"USD":[{"end":"2010-01-31","val":727413000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":727413000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":727413000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":889904000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":982181000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":879842000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":879842000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":879842000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":879842000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":879842000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":879842000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":1027723000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":1049586000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":1028244000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":947480000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":947480000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":947480000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":947480000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":947480000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":947480000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":947480000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":954793000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":941052000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":996221000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":898809000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":898809000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":898809000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":898809000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":898809000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":898809000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":985144000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":1012598000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":1084040000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":977885000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":977885000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":977885000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":977885000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":972177000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":1136817000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":1071277000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":1080406000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":887084000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":887084000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":887084000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":887084000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":918558000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":798205000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":806058000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"AccretionExpense":{"label":"Accretion Expense","description":"Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":1180000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1180000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":3220000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":3220000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":5290000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":5290000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":7420000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":2080000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":4260000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":6490000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"AccruedIncomeTaxesCurrent":{"label":"Accrued Income Taxes, Current","description":"Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.","units":{"USD":[{"end":"2010-01-31","val":1929000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":1929000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":1929000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":4995000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":10084000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":8521000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":8521000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":8521000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":8521000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":8521000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":8521000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":8819000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":6902000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":10937000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":12657000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":12657000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":12657000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":12657000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":12657000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":12657000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":12657000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":9570000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":8041000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":14696000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":8470000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":8470000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":8470000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":8470000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":8470000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":8470000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":9310000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":9822000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":16007000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":17877000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":17877000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":17877000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":17877000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":17589000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":18992000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":19674000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":19742000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":8995000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":8995000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":8995000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":8995000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":13226000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":4236000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":5899000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"AccruedSalariesCurrent":{"label":"Accrued Salaries, Current","description":"Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-01-31","val":82561000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":82561000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":92586000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":92586000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":92586000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":92586000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":69533000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":69533000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":69533000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":76097000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":76097000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":79696000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2010-01-31","val":171972000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":171972000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q4I"},{"end":"2010-07-31","val":189519000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":204346000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":206584000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":206584000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":206584000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":206584000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":206584000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":227602000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":222569000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":212263000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":204240000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":204240000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":204239000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":204239000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":204239000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":204240000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":204240000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":213136000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":213328000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":222939000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":220367000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":220367000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":220367000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":220367000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":220367000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":220367000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":225778000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":226886000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":238648000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":234054000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":234054000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":234054000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":234054000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":234054000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":250455000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":261441000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":266183000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":281287000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":281287000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":281287000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":281287000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":287744000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":289395000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":283954000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax":{"label":"Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax","description":"Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).","units":{"USD":[{"end":"2011-01-31","val":5192000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":5192000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":5119000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":5119000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2014-01-31","val":4627000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":5561000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax","description":"Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.","units":{"USD":[{"end":"2011-01-31","val":29924000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":29924000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":50864000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-01-31","val":50864000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":50864000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":50864000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":85319000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-01-31","val":85319000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":85319000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2014-01-31","val":138690000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2010-01-31","val":-46904000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":-46904000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":-46904000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":-45782000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":-23018000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":-35116000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":-35116000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":-35116000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":-35116000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":-35116000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":-35116000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":7879000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":-1490000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":-44332000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":-55983000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":-55983000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":-55983000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":-55983000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":-55983000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":-55983000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":-55983000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":-56051000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":-80907000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":-83059000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-25","val":-92348000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2012Q4I"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2013-01-31","val":-92348000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2013-04-30","val":-90798000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-04-30","val":-90798000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q1I"},{"end":"2013-07-31","val":-112949000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-07-31","val":-112949000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2013-07-31","val":-112949000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":-110468000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-10-31","val":-110468000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3I"},{"end":"2014-01-31","val":-143317000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":-143317000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":-143317000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":-143317000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":-143181000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2014-01-31","val":-143181000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2014-01-31","val":-143181000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2014-01-31","val":-143181000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2013Q4I"},{"end":"2014-04-30","val":-127290000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-04-30","val":-127290000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-04-30","val":-127246000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2014-04-30","val":-127246000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q1I"},{"end":"2014-07-31","val":-127804000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-07-31","val":-127804000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-07-31","val":-127764000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2014-07-31","val":-127764000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q2I"},{"end":"2014-10-31","val":-147057000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-10-31","val":-146890000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3I"},{"end":"2015-01-31","val":-179423000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":-179423000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":-179423000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":-179423000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":-178437000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-04-30","val":-178437000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q1I"},{"end":"2015-07-31","val":-209573000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-07-31","val":-209573000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q2I"},{"end":"2015-10-31","val":-227371000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"AdditionsToNoncurrentAssets":{"label":"Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2013-01-31)","description":"Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":40877000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":40877000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-10-31","val":38400000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":13815000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":57046000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":57046000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":57046000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":57046000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":34815000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":58088000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":23273000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":74706000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":74706000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":16618000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-08-01","end":"2011-10-31","val":16618000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":100322000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":100322000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":100322000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":100322000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":28930000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":28930000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":48055000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":19125000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":75301000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":27246000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":92665000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":92665000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2013-02-01","end":"2013-04-30","val":11443000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"AdjustmentForLongTermIntercompanyTransactionsGrossOfTax":{"label":"Adjustment for Long-term Intercompany Transactions, Gross of Tax","description":"Current period adjustment resulting from gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, that is, settlement is not planned or anticipated in the foreseeable future. Resulting from the entities to the transaction being consolidated, combined, or accounted for by the equity method in the reporting entity's financial statements.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":265000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":1051000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1051000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":242000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-962000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-720000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":1256000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":294000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-2109000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-2109000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":120000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-120000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-996000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-997000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-876000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-877000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":1201000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-1202000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":205000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-205000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-1816000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-71000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-4000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":67000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-1716000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-1712000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther":{"label":"Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other (Deprecated 2011-01-31)","description":"Transactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":1911000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-1668000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-3088000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":1964000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":239000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":290000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":290000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":2288000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":-988000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":398000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1022000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"}]}},"AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation":{"label":"Share-based Payment Arrangement, Decrease for Tax Withholding Obligation","description":"Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":2035000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-2408000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":2450000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":3042000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":3130000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":3130000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-2307000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":2307000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2487000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2487000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":2487000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":2487000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":2500000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2500000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":1759000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1759000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1799000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1799000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":1799000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1799000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":3104000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":1075000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1021000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":985000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions":{"label":"APIC, Share-based Payment Arrangement, Recognition and Exercise","description":"Amount of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement.","units":{"USD":[{"start":"2012-02-01","end":"2012-10-31","val":13369000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2013-04-30","val":4194000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":9403000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":13127000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":13127000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2014-02-01","end":"2014-04-30","val":3434000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":3434000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":6927000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":6927000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":10365000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":10365000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-02-01","end":"2015-04-30","val":1851000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":4459000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":7159000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":{"label":"APIC, Share-based Payment Arrangement, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":8274000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":8274000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":13869000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":13869000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":12838000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation":{"label":"Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation","description":"Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"}]}},"AdvertisingExpense":{"label":"Advertising Expense","description":"Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":2500000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":2500000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":3196000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":3196000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":3196000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":3196000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":2541000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2541000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2541000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2541000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2541000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":3660000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":3660000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":3660000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":3660000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":4117000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4117000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":3656000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2010-02-01","end":"2010-07-31","val":4062000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":2379000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":6396000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":2334000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2011-02-01","end":"2011-04-30","val":3698000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":7368000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":7368000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":3670000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-05-01","end":"2011-07-31","val":3670000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":11302000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":11302000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":3934000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-08-01","end":"2011-10-31","val":3934000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2012-02-01","end":"2012-04-30","val":5275000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":3569000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":-8775000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-07-31","val":7050000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":3481000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":11689000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":4639000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3"},{"start":"2013-02-01","end":"2013-04-30","val":4194000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-9403000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"}]}},"AllowanceForDoubtfulAccountsReceivableCurrent":{"label":"Accounts Receivable, Allowance for Credit Loss, Current","description":"Amount of allowance for credit loss on accounts receivable, classified as current.","units":{"USD":[{"end":"2010-01-31","val":13686000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":13686000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":13686000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":13570000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":14783000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":13676000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":13676000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":13676000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":13676000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":13676000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":13676000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":15099000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":15141000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":15966000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":15712000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":15712000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":15712000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":15712000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":15712000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":15712000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":15712000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":14700000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":13946000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":13997000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":16011000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":16011000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":16011000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":16011000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":16011000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":16011000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":16045000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":16461000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":17368000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":23391000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":23391000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":23391000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":23391000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":23902000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":25201000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":25523000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":18396000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":19964000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":19964000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":19964000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":19964000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":19402000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":18272000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":16524000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"AmortizationOfFinancingCosts":{"label":"Amortization of Debt Issuance Costs","description":"Amount of amortization expense attributable to debt issuance costs.","units":{"USD":[{"start":"2009-02-01","end":"2009-07-31","val":86000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":1089000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":1537000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":1537000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1537000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":713000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":1448000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":1448000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":2256000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":2256000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":3088000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":3088000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":3088000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":3088000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":3088000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":782000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":782000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1531000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1531000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":1925000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":1925000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":2194000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2194000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2194000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2194000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2194000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":384000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":384000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":658000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":658000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":931000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":931000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":1556000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1556000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1556000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1556000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":172000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":172000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":346000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":346000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":524000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":524000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":702000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":702000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":765000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":765000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1829000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1829000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":2805000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":2805000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":3781000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":976000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1951000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":2927000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"AmortizationOfIntangibleAssets":{"label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":12971000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":5449000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":2812000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":8145000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":2696000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":11126000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":11126000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":11126000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":3344000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":6507000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":6507000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":3163000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":3163000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":9845000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":9845000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":3338000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":3338000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":14718000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":14718000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":14718000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":14718000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":14718000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":3455000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":3455000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":8228000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":8228000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":4773000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":4773000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":12098000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":12098000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":3870000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":3870000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":15761000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":15761000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":15761000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":15761000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":15761000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":3242000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":3242000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":6402000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":6402000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":3160000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":3160000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":9376000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":9376000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":2974000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":2974000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":12262000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":12262000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":12262000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":12262000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":2792000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":2792000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":5546000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":5546000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":2754000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":2754000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":11276000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":11276000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":5730000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":5730000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":18502000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":18502000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":6999000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":6999000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":14019000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":14019000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":7020000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":7020000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":21417000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":21417000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":7398000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":7398000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":28956000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":7412000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":14851000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":7439000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":22147000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":7296000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"AmountOfDilutiveSecuritiesESOPConvertiblePreferredStock":{"label":"Dilutive Securities, Effect on Basic Earnings Per Share, ESOP Convertible Preferred Stock","description":"Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of convertible preferred stock of an employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits":{"label":"Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units","description":"Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of stock options or restrictive stock units (RSUs).","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount":{"label":"Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount","description":"Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.","units":{"shares":[{"start":"2009-02-01","end":"2010-01-31","val":1828663,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1828663,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":3082758,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":3097130,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":2895326,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":2755676,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":2696745,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":2696745,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":2696745,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":2696745,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1158579,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1127599,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1127599,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":2096076,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":2096076,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":2322625,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":2322625,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":3455156,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":3455156,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":2969560,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2969560,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2969560,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2969560,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2969560,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":2249510,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":2249510,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":3041818,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":3041818,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":3473595,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":3473595,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":2953872,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":2953872,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":3184143,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":3184143,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"Assets":{"label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2010-01-31","val":1937046000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":1937546000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":1937546000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2010-01-31","val":1937546000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":1937546000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2010-07-31","val":2159000000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":2220664000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-10-31","val":2220664000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3I"},{"end":"2011-01-31","val":2112705000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":2112705000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":2112705000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010Q4I"},{"end":"2011-04-30","val":2307913000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-04-30","val":2307913000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1I"},{"end":"2011-07-31","val":2358953000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-07-31","val":2358953000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2I"},{"end":"2011-10-31","val":2324407000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-10-31","val":2324407000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3I"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011Q4I"},{"end":"2012-04-30","val":2294951000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-04-30","val":2294951000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1I"},{"end":"2012-07-31","val":2220425000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-07-31","val":2220425000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2I"},{"end":"2012-10-31","val":2261810000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-10-31","val":2261810000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2013-04-30","val":2103230000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-04-30","val":2103230000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1I"},{"end":"2013-07-31","val":2124883000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-07-31","val":2124883000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2I"},{"end":"2013-10-31","val":2194717000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-10-31","val":2194717000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3I"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":2076485000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":2309410000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-04-30","val":2299548000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1I"},{"end":"2014-07-31","val":2242671000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-07-31","val":2230280000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2I"},{"end":"2014-10-31","val":2191666000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-10-31","val":2173620000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3I"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":1963171000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":1806965000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":1833995000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"AssetsCurrent":{"label":"Assets, Current","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2010-01-31","val":1206689000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":1206689000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":1206689000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":1424523000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":1467482000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":1358332000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":1358332000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":1358332000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":1358332000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":1358332000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":1358332000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":1496832000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":1529063000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":1518856000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":1422158000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":1422158000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":1422158000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":1422158000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":1422158000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":1422158000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":1422158000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":1444409000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":1373066000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":1392180000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":1312065000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1312065000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":1312065000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":1312065000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":1312065000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":1312065000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":1340176000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":1364967000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":1428551000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":1345623000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":1345623000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":1345623000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":1345623000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":1339915000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":1558210000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":1487105000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":1472216000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":1295336000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":1295336000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":1295336000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":1295336000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":1295339000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":1216037000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":1262435000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"BusinessAcquisitionContingentConsiderationPotentialCashPayment":{"label":"Business Acquisition, Contingent Consideration, Potential Cash Payment (Deprecated 2013-01-31)","description":"Amount of potential cash payments that could result from the contingent consideration arrangement.","units":{"USD":[{"end":"2010-01-31","val":4224000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2010-01-31","val":4224000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":300000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010Q4I"},{"end":"2011-01-31","val":300000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":300000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":300000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":700000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":700000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"BusinessAcquisitionCostOfAcquiredEntityCashPaid":{"label":"Business Acquisition, Cost of Acquired Entity, Cash Paid (Deprecated 2013-01-31)","description":"Amount of cash paid to acquire the entity.","units":{"USD":[{"end":"2011-10-31","val":12028,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"}]}},"BusinessAcquisitionPurchasePriceAllocationAssetsAcquired":{"label":"Business Acquisition, Purchase Price Allocation, Assets Acquired (Deprecated 2013-01-31)","description":"The amount of acquisition cost of a business combination allocated to assets acquired.","units":{"USD":[{"end":"2012-01-31","val":35156000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":35156000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet":{"label":"Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net (Deprecated 2013-01-31)","description":"The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.","units":{"USD":[{"end":"2012-01-31","val":10132000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":10132000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"BusinessAcquisitionPurchasePriceAllocationCurrentAssets":{"label":"Business Acquisition, Purchase Price Allocation, Current Assets (Deprecated 2013-01-31)","description":"The amount of acquisition cost of a business combination allocated to current assets.","units":{"USD":[{"end":"2012-01-31","val":19067000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":19067000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet":{"label":"Business Acquisition, Purchase Price Allocation, Deferred Taxes Asset (Liability), Net, Noncurrent (Deprecated 2013-01-31)","description":"Amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets net of valuation allowance and noncurrent deferred tax liabilities.","units":{"USD":[{"end":"2012-01-31","val":-2099000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":-2099000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"BusinessAcquisitionPurchasePriceAllocationGoodwillAmount":{"label":"Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31)","description":"Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.","units":{"USD":[{"end":"2012-01-31","val":5863000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":5863000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed":{"label":"Business Acquisition, Purchase Price Allocation, Liabilities Assumed (Deprecated 2013-01-31)","description":"The amount of acquisition cost of a business combination allocated to liabilities assumed.","units":{"USD":[{"end":"2012-01-31","val":21887000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":21887000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssets":{"label":"Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets (Deprecated 2013-01-31)","description":"Amount of acquisition cost of a business combination allocated to other noncurrent assets not separately disclosed.","units":{"USD":[{"end":"2012-01-31","val":2019000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":2019000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"BusinessCombinationContingentConsiderationLiability":{"label":"Business Combination, Contingent Consideration, Liability","description":"Amount of liability recognized arising from contingent consideration in a business combination.","units":{"USD":[{"end":"2013-01-31","val":700000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":700000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalExpendituresIncurredButNotYetPaid":{"label":"Capital Expenditures Incurred but Not yet Paid","description":"Future cash outflow to pay for purchases of fixed assets that have occurred.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":463000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":2489000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-1091000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":2287000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":3107000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-3107000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1300000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1300000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-80000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":80000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":677000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-677000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-1149000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":1149000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-1465000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1465000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1111000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1111000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":1752000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1752000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-1487000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1130000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":1130000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"CapitalLeasedAssetsGross":{"label":"Capital Leased Assets, Gross","description":"Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2011-01-31","val":71396000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":71396000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":68506000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":68506000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":68506000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":68506000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":126842000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":126842000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":126842000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":110786000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":110786000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":101021000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeaseObligationsCurrent":{"label":"Capital Lease Obligations, Current","description":"Amount of capital lease obligation due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2010-01-31","val":16832000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":16832000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":16832000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":17125000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":15970000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":16232000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":16232000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":16232000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":16232000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":16232000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":16232000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":16673000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":16647000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":14254000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":13768000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":13768000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":13768000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":13768000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":13768000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":13768000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":13768000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":12475000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":11852000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":10792000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":11377000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":11377000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":11377000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":11377000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":11377000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":11377000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":11672000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":11448000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":12209000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":12374000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":12374000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":12374000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":12374000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":12374000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":11330000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":11259000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":11994000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":11429000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":11429000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":11429000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":11429000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":12075000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":12442000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":11849000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CapitalLeaseObligationsIncurred":{"label":"Lease Obligation Incurred","description":"Amount of increase in lease obligation from new lease.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":20189000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":20189000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":9467000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":10063000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":12243000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":12243000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":12243000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":12243000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":3688000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":7570000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":7570000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":10999000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":10999000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":15829000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":15829000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":15829000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":15829000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":15829000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":2523000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":2523000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":7506000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":7506000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":10850000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":10850000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":13825000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":13825000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":13825000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":13825000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":2900000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":2900000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":5466000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":5466000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":11845000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":11845000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":15567000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":15567000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":2406000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":2406000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":5912000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":5912000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":9890000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":9890000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":12658000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":7954000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":8979000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":9790000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"CapitalLeaseObligationsNoncurrent":{"label":"Capital Lease Obligations, Noncurrent","description":"Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.","units":{"USD":[{"end":"2010-01-31","val":23892000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":23892000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":23892000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":23441000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":22238000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":19158000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":19158000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":19158000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":19158000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":19158000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":19158000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":19179000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":17811000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":17686000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":15845000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":15845000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":15845000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":15845000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":15845000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":15845000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":15845000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":14281000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":14736000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":14596000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":73538000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":73538000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":73538000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":73538000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":73538000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":73538000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":70794000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":65218000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":66142000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":60784000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":60784000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":60784000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":60784000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":60784000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":63002000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":62871000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":61104000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":56455000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":56455000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":56455000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":56455000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":56879000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":53131000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":47842000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CapitalLeasesBalanceSheetAssetsByMajorClassNet":{"label":"Capital Leases, Balance Sheet, Assets by Major Class, Net","description":"The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.","units":{"USD":[{"end":"2011-01-31","val":39164000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":39164000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":33376000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":33376000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":33376000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":33376000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":90914000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":90914000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":90914000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":75154000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":75154000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":66643000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDue":{"label":"Capital Leases, Future Minimum Payments Due","description":"Amount of minimum lease payments for capital leases.","units":{"USD":[{"end":"2012-01-31","val":33578000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":33578000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":95256000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":95256000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":82188000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":76634000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueCurrent":{"label":"Capital Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":16952000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":16952000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":13226000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":13226000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":13356000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":12413000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Capital Leases, Future Minimum Payments Due in Five Years","description":"Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":908000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":908000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":5987000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":5987000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":6402000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":6704000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Capital Leases, Future Minimum Payments Due in Four Years","description":"Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":1114000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":1114000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":5169000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":5169000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":5790000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":6840000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Capital Leases, Future Minimum Payments Due in Three Years","description":"Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":4357000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":4357000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":5246000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":5246000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":7406000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":8009000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Capital Leases, Future Minimum Payments Due in Two Years","description":"Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":10247000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":10247000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":9957000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":9957000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":9536000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":10890000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsDueThereafter":{"label":"Capital Leases, Future Minimum Payments Due Thereafter","description":"Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2013-01-31","val":55671000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":55671000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":39698000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":31778000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments":{"label":"Capital Leases, Future Minimum Payments, Interest Included in Payments","description":"Amount necessary to reduce net minimum lease payments to present value for capital leases.","units":{"USD":[{"end":"2012-01-31","val":3965000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":3965000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":10341000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":10341000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":9030000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":8750000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments":{"label":"Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments","description":"Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.","units":{"USD":[{"end":"2012-01-31","val":29613000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":29613000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":84915000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":84915000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":73158000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":67884000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation":{"label":"Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation","description":"The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.","units":{"USD":[{"end":"2011-01-31","val":32232000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":32232000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":35130000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":35130000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":35130000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":35130000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":35928000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":35928000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":35928000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":35632000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":35632000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":34378000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2008-01-31","val":289141000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2007Q4I"},{"end":"2009-01-31","val":256869000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2009-01-31","val":256869000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2009-01-31","val":256869000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2009-01-31","val":256869000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2009-01-31","val":256869000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2008Q4I"},{"end":"2009-07-31","val":317528000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2I"},{"end":"2009-10-31","val":307554000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3I"},{"end":"2010-01-31","val":350784000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":350784000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":350784000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2010-01-31","val":350784000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2010-01-31","val":350784000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2010-01-31","val":350784000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2010-01-31","val":350784000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":350784000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2010-01-31","val":350784000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2010-01-31","val":350784000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2009Q4I"},{"end":"2010-04-30","val":340721000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1I"},{"end":"2010-07-31","val":392025000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-07-31","val":392025000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2I"},{"end":"2010-10-31","val":342148000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-10-31","val":342148000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3I"},{"end":"2011-01-31","val":326795000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":326795000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":326795000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2011-01-31","val":326795000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2010Q4I"},{"end":"2011-04-30","val":304997000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-04-30","val":304997000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1I"},{"end":"2011-07-31","val":315778000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-07-31","val":315778000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2I"},{"end":"2011-10-31","val":339030000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-10-31","val":339030000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3I"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2012-01-31","val":321761000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2011Q4I"},{"end":"2012-04-30","val":329434000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-04-30","val":329434000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1I"},{"end":"2012-07-31","val":262761000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-07-31","val":262761000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2I"},{"end":"2012-10-31","val":226993000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-10-31","val":226993000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3I"},{"end":"2013-01-25","val":237276000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2012Q4I"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2013-01-31","val":237276000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2013-04-30","val":185339000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-04-30","val":185339000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1I"},{"end":"2013-07-31","val":178125000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-07-31","val":178125000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2I"},{"end":"2013-10-31","val":171220000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-10-31","val":171220000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3I"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2014-01-31","val":204384000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2013Q4I"},{"end":"2014-04-30","val":206883000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-04-30","val":206883000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1I"},{"end":"2014-07-31","val":178942000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-07-31","val":178942000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2I"},{"end":"2014-10-31","val":191869000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-10-31","val":191869000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3I"},{"end":"2015-01-31","val":211832000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":211832000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":211832000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":211832000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":175939000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":215505000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":264871000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-32272000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":60659000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":50685000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":93915000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":93915000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":93915000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":-10063000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":41241000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":41241000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":-8636000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":-8636000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":-23989000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":-23989000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-23989000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-23989000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-23989000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-21798000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":-21798000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-11017000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":-11017000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":12235000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":12235000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":-5034000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-5034000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-5034000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-5034000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-5034000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":7673000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":7673000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-59000000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-59000000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-94768000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-94768000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-84485000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-84485000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-84485000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-84485000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-51937000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-51937000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-59151000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-59151000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":-66056000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-66056000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-32892000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-32892000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":2499000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":2499000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-25442000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-25442000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":-12515000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-12515000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":7448000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-35893000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":3673000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":53039000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"CashCollateralForBorrowedSecurities":{"label":"Cash Collateral for Borrowed Securities","description":"Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.","units":{"USD":[{"end":"2014-07-31","val":44378000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":32801000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-04-30","val":33742000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":34610000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":34104000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CashUninsuredAmount":{"label":"Cash, Uninsured Amount","description":"The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.","units":{"USD":[{"end":"2011-10-31","val":305156000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":296690000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":296690000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-04-30","val":304582000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":248321000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":213760000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":227025000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":227025000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":168498000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":167858000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":160411000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":193025000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":242525000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":210954000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":213255000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":232104000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":199883000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":239767000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":289464000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CommonStockDividendsPerShareDeclared":{"label":"Common Stock, Dividends, Per Share, Declared","description":"Aggregate dividends declared during the period for each share of common stock outstanding.","units":{"USD/shares":[{"start":"2009-02-01","end":"2010-01-31","val":0.06,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.06,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":0.06,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":0.06,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":0.06,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":0.06,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":0.06,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.06,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.06,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.06,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-07-31","val":0.06,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":0.06,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":0.06,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":0.06,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":0.06,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":0.06,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":0.06,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-07-31","val":0.06,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":0.06,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":0.06,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":0.06,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":0.06,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":0.06,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":0.06,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":0.06,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0.06,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":0.06,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0.06,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":0.06,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":0.06,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":0.06,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"CommonStockNoParValue":{"label":"Common Stock, No Par Value","description":"Face amount per share of no-par value common stock.","units":{"USD/shares":[{"end":"2014-01-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q4I"},{"end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"shares":[{"end":"2010-01-31","val":0,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2011-01-31","val":0,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2010Q4I"}],"USD/shares":[{"end":"2010-01-31","val":0,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q4I"},{"end":"2010-01-31","val":0,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-07-31","val":0,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":0,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":0,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q4I"},{"end":"2011-04-30","val":0,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"}]}},"CommonStockSharesAuthorized":{"label":"Common Stock, Shares Authorized","description":"The maximum number of common shares permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2010-01-31","val":500000000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2011-01-31","val":500000000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":500000000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":500000000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":500000000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":500000000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":500000000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":500000000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":500000000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":500000000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":500000000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":500000000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":500000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":500000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2010-01-31","val":100900556,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":100900556,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":100900556,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":101751428,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":101837076,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":101972483,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":101972483,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":101972483,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":101972483,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":101972483,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":101972483,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":102579346,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":102753464,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":102796358,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":103550047,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":103728087,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":103758495,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":104504843,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":104703784,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":104756131,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":105373017,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":105427629,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":105457141,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":105995390,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":106051156,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":106074789,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2010-01-31","val":100900556,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":100900556,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":100900556,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":101751428,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":101837076,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":101972483,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":101972483,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":101972483,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":101972483,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":101972483,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":101972483,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":102579346,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":102753464,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":102796358,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":102833998,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":103550047,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":103728087,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":103758495,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":103848134,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":104504843,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":104703784,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":104756131,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":104821581,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":105373017,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":105427629,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":105457141,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":105534957,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":105995390,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":106051156,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":106074789,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2010-01-31","val":464731000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":464731000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":464731000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":472241000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":480901000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":484884000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":484884000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":484884000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":484884000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":484884000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":484884000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":489193000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":491490000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":486877000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":491073000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":491073000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":491073000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":491073000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":491073000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":491073000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":491073000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":493940000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":497398000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":501400000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":505237000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":505237000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":505237000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":505237000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":505237000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":505237000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":505715000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":510934000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":514658000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":517762000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":517762000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":517762000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":517762000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":517762000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":565358000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":568766000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":572204000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":575164000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":575164000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":575164000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":575164000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":576139000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":578801000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":581537000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":106478000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":106478000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":30065000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":13379000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":79252000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":49187000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":81691000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":81691000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":81691000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":81691000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":51738000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":65242000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":65242000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":13504000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":13504000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":50936000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":50936000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-14306000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-14306000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":51666000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":51666000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":51666000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":51666000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":51666000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":12818000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":12818000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":6845000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":6845000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-5973000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-5973000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":15241000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":15241000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":8396000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":8396000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-136871000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-136871000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-136871000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-136871000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-10868000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-10868000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-37463000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-37463000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-26595000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-26595000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-44057000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-44057000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-6594000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-6594000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-127627000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-134127000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-27155000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-27788000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-44613000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-50234000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-17458000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-22446000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-97861000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-103046000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-53248000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-52812000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-239462000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-32305000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-134170000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-101865000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-184673000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-50503000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":-8703000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-8703000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":3618000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":2094000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":5347000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":1729000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":-5886000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-5886000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":5886000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":5886000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-2791000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":4574000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":-4574000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":1783000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":-1783000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":4714000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":4714000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":140000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":140000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-5428000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-5428000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":5428000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":5428000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":5428000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-1101000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":1101000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-1805000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":1805000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-704000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":704000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":3612000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":3612000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1807000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1807000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":4658000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":4658000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":4658000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":4658000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1543000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1543000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":1389000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":1389000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-154000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-154000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":3081000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":3081000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1692000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1692000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":3009000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2479000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":1180000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1060000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":3895000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":3782000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":2715000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":2722000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":2136000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":2033000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-1759000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-1749000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":140000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-2337000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-2774000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-437000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-2851000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-77000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest":{"label":"Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-110136000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":115181000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":115181000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":115181000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":33683000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":15473000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":84599000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":50916000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":87577000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":87577000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":87577000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":87577000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":87577000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":54529000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":69816000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":69816000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":15287000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":15287000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":55650000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":55650000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-14166000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-14166000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":57094000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":57094000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":57094000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":57094000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":57094000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":13919000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":13919000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":8650000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":8650000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-5269000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-5269000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":18853000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":18853000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":10203000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":10203000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-132213000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-132213000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-132213000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-132213000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-9325000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-9325000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-36074000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-36074000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-26749000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-26749000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-40976000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-40976000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-4902000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-4902000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-124618000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-131648000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-25975000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-26728000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-40718000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-46452000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-14743000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-19724000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-95725000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-101013000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-55007000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-54561000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-239322000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-34642000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-136944000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-102302000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-187524000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-50580000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent":{"label":"Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent","description":"Represents the purchase by the parent of an additional equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The purchase of the additional equity interest represented by this element increases the parent's controlling interest in the subsidiary.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":8323000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":8323000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-8323000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-8323000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":8323000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":1121000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1121000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":13073000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":13073000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":13073000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":13073000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-13073000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-13073000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"ConstructionInProgressExpendituresIncurredButNotYetPaid":{"label":"Construction in Progress Expenditures Incurred but Not yet Paid","description":"Future cash outflow to pay for construction in progress expenditures that have occurred.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":37351000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":14033000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":20739000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":32254000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":30927000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":30927000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"ConversionOfStockSharesConverted1":{"label":"Conversion of Stock, Shares Converted","description":"\"The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. \"\"Part noncash\"\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.\"","units":{"shares":[{"start":"2013-02-01","end":"2014-01-31","val":6309896,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":6309896,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":6309896,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-10-31","val":6309896,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2015-02-01","end":"2015-04-30","val":6309896,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":6309896,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":6309896,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"ConvertiblePreferredDividendsNetOfTax":{"label":"Convertible Preferred Dividends, Net of Tax","description":"The after-tax amount of any dividends on convertible preferred stock.","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2014-02-01","end":"2014-04-30","val":1946000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-5060000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-3114000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-8229000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-3169000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3"}]}},"CostOfServices":{"label":"Cost of Services (Deprecated 2018-01-31)","description":"Total costs related to services rendered by an entity during the reporting period.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":2997377000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":959985000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":501136000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":1565648000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":605663000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":2206521000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":2206521000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":2206521000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":689408000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2010-02-01","end":"2010-04-30","val":689408000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-04-30","val":689408000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":1461428000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":1461428000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":772020000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":772020000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":772020000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-05-01","end":"2010-07-31","val":772020000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":2253692000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":2253692000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":792264000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":792264000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":792264000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-08-01","end":"2010-10-31","val":792264000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":2994302000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":2994302000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":2994302000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":2994302000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":2994302000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-11-01","end":"2011-01-31","val":740610000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-11-01","end":"2011-01-31","val":740610000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4"},{"start":"2011-02-01","end":"2011-04-30","val":788128000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":788128000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":788128000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2011-04-30","val":788128000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2011-02-01","end":"2011-04-30","val":788128000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":788128000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1642090000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1642090000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":853962000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":853962000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-05-01","end":"2011-07-31","val":853962000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-05-01","end":"2011-07-31","val":853962000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":853962000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":853962000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":2463251000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":2463251000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":821161000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":821161000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-08-01","end":"2011-10-31","val":821161000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-08-01","end":"2011-10-31","val":821161000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":821161000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":821161000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":3210352000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":3210352000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":3210352000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":3210352000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":3210352000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":747101000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":747101000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-11-01","end":"2012-01-31","val":747101000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":747101000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":742516000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":762890000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":762890000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":1492233000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":1539749000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":749717000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":776859000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":776859000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":2217497000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":2292826000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":725264000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":753077000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":753077000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":3020988000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":3020988000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":3020988000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":3020988000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":728162000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":704918000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":704918000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":704918000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2013-02-01","end":"2013-04-30","val":704918000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":1448688000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":1448688000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":743770000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":743770000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":743770000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":743770000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":2209601000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":2209601000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":760913000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":760913000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":760913000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":762512000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":2915975000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2917795000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":706374000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-11-01","end":"2014-01-31","val":706595000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":672098000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":674534000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":674534000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1362106000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1374959000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":690008000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":700425000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":700425000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":2059367000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":2069787000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":697261000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":694828000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":694828000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":2722182000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":652395000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":643865000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1219244000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":575379000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":1775764000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":556520000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"CurrentForeignTaxExpenseBenefit":{"label":"Current Foreign Tax Expense (Benefit)","description":"Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":29252000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":29252000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":38696000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":38696000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":38696000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":38696000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":52658000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":52658000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":52658000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":52658000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":52658000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":34302000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":34302000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":34302000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":34302000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":31767000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":31346000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":19156000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"CurrentIncomeTaxExpenseBenefit":{"label":"Current Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":27276000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":27276000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":42639000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":42639000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":42639000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":42639000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":53368000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":53368000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":53368000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":53368000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":53368000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":35015000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":35015000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":35015000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":35015000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":36264000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":35843000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":21177000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DebtInstrumentConvertibleConversionPrice1":{"label":"Debt Instrument, Convertible, Conversion Price","description":"The price per share of the conversion feature embedded in the debt instrument.","units":{"USD/shares":[{"end":"2014-03-04","val":14.5,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-03-04","val":14.5,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-03-04","val":14.5,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-03-04","val":14.5,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2014-03-04","val":14.5,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1I"}]}},"DebtInstrumentConvertibleConversionRatio1":{"label":"Debt Instrument, Convertible, Conversion Ratio","description":"Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.","units":{"pure":[{"start":"2014-03-03","end":"2014-03-04","val":68.9703,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-03-04","val":68.9703,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-03-04","val":68.9703,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-03-04","val":68.9703,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2014-03-04","val":68.9703,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"}]}},"DebtInstrumentFaceAmount":{"label":"Debt Instrument, Face Amount","description":"Face (par) amount of debt instrument at time of issuance.","units":{"JPY":[{"end":"2012-10-31","val":4000000000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"}]}},"DebtInstrumentInterestRateStatedPercentage":{"label":"Debt Instrument, Interest Rate, Stated Percentage","description":"Contractual interest rate for funds borrowed, under the debt agreement.","units":{"pure":[{"end":"2014-03-04","val":0.045,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-03-04","val":0.045,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-03-04","val":0.045,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-03-04","val":0.045,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2014-03-04","val":0.045,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1I"}]}},"DebtInstrumentUnamortizedDiscount":{"label":"Debt Instrument, Unamortized Discount","description":"Amount, after accumulated amortization, of debt discount.","units":{"USD":[{"end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2I"},{"end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3I"},{"end":"2014-04-30","val":47690000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-04-30","val":47690000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1I"},{"end":"2014-07-31","val":47690000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-07-31","val":47690000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2I"},{"end":"2014-10-31","val":47690000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":47690000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"}]}},"DebtIssuanceCosts":{"label":"Debt Issuance Cost (Deprecated 2016-01-31)","description":"Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).","units":{"USD":[{"start":"2014-02-01","end":"2014-04-30","val":1769000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1769000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1814000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1814000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":1814000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1814000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":1814000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DebtWeightedAverageInterestRate":{"label":"Debt, Weighted Average Interest Rate","description":"Weighted average interest rate of debt outstanding.","units":{"pure":[{"end":"2012-01-31","val":0.022,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":0.022,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":0.032,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":0.032,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":0.032,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":0.021,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":0.021,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":0.037,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredForeignIncomeTaxExpenseBenefit":{"label":"Deferred Foreign Income Tax Expense (Benefit)","description":"Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":-7139000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-7139000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":-10411000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-10411000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-10411000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-10411000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":-13374000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-13374000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-13374000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-13374000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-13374000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":15298000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":15298000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":15298000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":15298000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-3814000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-3814000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":917000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DeferredIncomeTaxExpenseBenefit":{"label":"Deferred Income Tax Expense (Benefit)","description":"Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-16081000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":320000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-744000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":6128000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":6128000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":6128000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":-859000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":-1464000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":-1464000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":286000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":286000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":-1804000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":-1804000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-1804000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-1804000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-1804000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-1717000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":-1717000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1650000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1650000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":275000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":275000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":-15323000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-15323000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-15323000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-15323000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-15323000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":2154000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":2154000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":3274000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":3274000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-2937000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-2937000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":16957000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":16957000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":16957000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":16957000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":4474000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":4474000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":4516000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":4516000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":7102000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":7102000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":5490000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":5359000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":425000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":488000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1082000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1312000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":-2615000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-2438000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":4329000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-1507000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":146000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":662000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"DeferredOtherTaxExpenseBenefit":{"label":"Deferred Other Tax Expense (Benefit)","description":"Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":-17718000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":16876000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":16876000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":5000000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":6098000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":1098000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2"},{"start":"2013-02-01","end":"2013-10-31","val":6098000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":4812000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4812000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":2248000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DeferredTaxAssetsGoodwillAndIntangibleAssets":{"label":"Deferred Tax Assets, Goodwill and Intangible Assets","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.","units":{"USD":[{"end":"2012-01-31","val":21997000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":21997000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":37338000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":37338000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":37338000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":35382000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":35382000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":24028000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsGross":{"label":"Deferred Tax Assets, Gross","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2011-01-31","val":74661000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":74661000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":107155000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":107155000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":107155000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":107155000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":134833000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":134833000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":134833000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":158670000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":160253000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":187974000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsLiabilitiesNet":{"label":"Deferred Tax Assets, Net","description":"Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.","units":{"USD":[{"end":"2011-01-31","val":15558000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":15558000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":29872000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":29872000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":29872000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":29872000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":12968000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":12968000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":12968000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":2956000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":3087000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":-2610000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsNetCurrent":{"label":"Deferred Tax Assets, Net of Valuation Allowance, Current","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.","units":{"USD":[{"end":"2010-01-31","val":16917000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":16917000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":16917000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":17187000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":16534000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":20400000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":20400000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":20400000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":20400000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":20400000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":20400000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":22238000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":16066000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":10845000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":20372000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":20372000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":20372000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":20372000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":20372000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":20372000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":20372000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":20046000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":18033000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":19897000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":19595000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":19595000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":19595000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":19595000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":19595000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":19595000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":15905000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":15854000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":14475000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":8889000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":8889000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":8889000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":8889000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":8889000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":7137000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":7426000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":10116000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":12596000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":12596000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":12596000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":12596000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":12914000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":12227000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":12154000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"DeferredTaxAssetsNetNoncurrent":{"label":"Deferred Tax Assets, Net of Valuation Allowance, Noncurrent","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.","units":{"USD":[{"end":"2010-01-31","val":31815000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":31815000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":31815000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":30648000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":28813000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":29526000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":29526000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":29526000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":29526000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":29526000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":29526000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":31093000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":32753000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":20769000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":43272000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":43272000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":43272000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":43272000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":43272000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":43272000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":43272000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":36333000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":37468000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":40856000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":25802000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":25802000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":25802000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":25802000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":25802000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":25802000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":24507000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":20916000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":19828000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":11693000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":11693000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":11693000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":11693000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":11824000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":12665000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":12745000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":13112000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":11175000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":11175000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":11175000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":11175000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":12553000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":11450000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":10423000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"DeferredTaxAssetsOperatingLossCarryforwards":{"label":"Deferred Tax Assets, Operating Loss Carryforwards","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.","units":{"USD":[{"end":"2011-01-31","val":35099000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":35099000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":50120000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":50120000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":50120000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":50120000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":57884000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":57884000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":57884000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":86223000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":87806000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":118000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.","units":{"USD":[{"end":"2012-01-31","val":53982000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":53982000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":10179000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":10179000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":8950000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":2822000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsOther":{"label":"Deferred Tax Assets, Other","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.","units":{"USD":[{"end":"2011-01-31","val":8103000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":8103000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":2596000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":2596000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":2596000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":2596000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":11179000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":11179000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":11179000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":7757000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":7757000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":8810000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsPropertyPlantAndEquipment":{"label":"Deferred Tax Assets, Property, Plant and Equipment","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2012-01-31","val":1768000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":1768000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":2064000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2064000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":2064000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":6152000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":6152000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":3036000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.","units":{"USD":[{"end":"2011-01-31","val":2559000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":2559000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":3577000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":3577000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":3577000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":3577000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":4222000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":4222000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":4222000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":2714000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":2714000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":4877000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.","units":{"USD":[{"end":"2011-01-31","val":2497000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":2497000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":2994000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":2994000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":2994000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":2994000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":2859000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2859000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":2859000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":3042000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":3042000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":3070000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other.","units":{"USD":[{"end":"2011-01-31","val":19175000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":19175000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":24103000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":24103000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":24103000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":24103000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":19287000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":19287000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":19287000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":17400000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":17400000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":26153000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxAssetsValuationAllowance":{"label":"Deferred Tax Assets, Valuation Allowance","description":"Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.","units":{"USD":[{"end":"2010-01-31","val":17323000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":17323000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2011-01-31","val":24735000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":24735000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":43511000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":43511000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":89436000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":89436000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":89436000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":138087000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":139539000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":164203000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxLiabilities":{"label":"Deferred Tax Liabilities, Net","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.","units":{"USD":[{"end":"2011-01-31","val":34368000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":34368000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":33772000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":33772000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":33772000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":33772000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":32429000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":32429000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":32429000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":17627000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":17627000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":26381000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxLiabilitiesCurrent":{"label":"Deferred Tax Liabilities, Net, Current","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.","units":{"USD":[{"end":"2010-01-31","val":3503000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":3503000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":3503000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":3372000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":3416000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":3881000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":3881000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":3881000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":3881000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":3881000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":3881000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":3976000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":3949000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":1117000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":1927000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":1927000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":1927000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":1927000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":1927000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":1927000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":1927000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":4308000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":4722000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":3949000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":4199000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":1946000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":2112000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":3236000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":3236000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":3236000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":3236000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":3236000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":3010000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":3399000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":3348000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":12177000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":12177000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":12177000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":12177000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":12204000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":12146000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":11953000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"DeferredTaxLiabilitiesGoodwillAndIntangibleAssets":{"label":"Deferred Tax Liabilities, Goodwill and Intangible Assets","description":"Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill.","units":{"USD":[{"end":"2011-01-31","val":-26050000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":-26050000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":-24185000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":-24185000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":24185000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":24185000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":21693000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":21693000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":21693000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":8140000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":8140000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":9634000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxLiabilitiesNoncurrent":{"label":"Deferred Tax Liabilities, Net, Noncurrent","description":"Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.","units":{"USD":[{"end":"2010-01-31","val":32874000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":32874000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":32874000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":30865000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":29684000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":30487000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":30487000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":30487000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":30487000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":30487000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":30487000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":31047000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":30259000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":15174000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":31845000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":31845000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":31845000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":31845000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":31845000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":31845000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":31845000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":24327000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":25469000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":24649000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":29654000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":29654000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":29654000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":29654000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":29654000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":29654000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":27951000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":30238000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":30061000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":14390000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":14390000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":14390000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":14390000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":14390000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":14154000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":14886000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":14700000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":14204000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":14204000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":14204000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":14204000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":14385000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":14897000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":14906000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"DeferredTaxLiabilitiesOther":{"label":"Deferred Tax Liabilities, Other","description":"Amount of deferred tax liability attributable to taxable temporary differences classified as other.","units":{"USD":[{"end":"2011-01-31","val":-2287000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":-2287000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":-2123000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":-2123000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":2123000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":2123000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":2775000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":8367000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":8367000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":12471000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DeferredTaxLiabilitiesPropertyPlantAndEquipment":{"label":"Deferred Tax Liabilities, Property, Plant and Equipment","description":"Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.","units":{"USD":[{"end":"2011-01-31","val":-6031000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":-6031000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":-7464000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":-7464000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":7464000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":7464000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":7961000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":7961000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":7961000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":1120000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":1120000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":4276000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPensionPlanLiabilitiesNoncurrent":{"label":"Liability, Defined Benefit Pension Plan, Noncurrent","description":"Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan.","units":{"USD":[{"end":"2010-01-31","val":8123000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q4I"},{"end":"2010-07-31","val":6498000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"}]}},"DefinedBenefitPlanAccumulatedBenefitObligation":{"label":"Defined Benefit Plan, Accumulated Benefit Obligation","description":"Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.","units":{"USD":[{"end":"2011-01-31","val":31455000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":31455000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":31834000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":31834000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":31834000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":31834000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":40170000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":40170000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":40170000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":37452000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":37452000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":44118000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax":{"label":"Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax","description":"Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).","units":{"USD":[{"end":"2011-01-31","val":6990000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":6990000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":6896000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":6896000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":6896000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":6896000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":9405000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":9405000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":9405000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":6080000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":6080000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":7362000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossAfterTax":{"label":"Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), after Tax (Deprecated 2014-01-31)","description":"After tax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s).","units":{"USD":[{"end":"2012-01-31","val":5119000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-01-31","val":5119000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":7029000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-01-31","val":7029000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":7029000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2014-01-31","val":4627000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax":{"label":"Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Tax","description":"Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.","units":{"USD":[{"end":"2012-01-31","val":-5002000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":-5002000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":-6903000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":-6903000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":-6903000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":-4513000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":-4513000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":-5663000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax":{"label":"Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax","description":"Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.","units":{"USD":[{"end":"2011-01-31","val":-5058000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":-5058000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":-5002000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":-5002000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax":{"label":"Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax","description":"Amount, after tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).","units":{"USD":[{"end":"2012-01-31","val":103000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":103000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":94000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":94000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":94000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":81000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":81000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":-132000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax":{"label":"Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax","description":"Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).","units":{"USD":[{"end":"2011-01-31","val":120000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":120000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":103000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":103000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":-17000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":-17000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsAfterTax":{"label":"Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), after Tax","description":"Amount, after tax, of accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.","units":{"USD":[{"end":"2012-01-31","val":-14000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":-14000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":-32000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":-32000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":-32000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":-33000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":-33000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":-30000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsBeforeTax":{"label":"Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Transition Asset (Obligation), before Tax","description":"Amount, before tax, of accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.","units":{"USD":[{"end":"2011-01-31","val":-14000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":-14000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":-14000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":-14000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":-25000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":-25000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld":{"label":"Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held","description":"Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":2299000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":2299000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":1325000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1325000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1325000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1325000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":6156000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":6156000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":6156000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":2046000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2046000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":10562000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanActuarialGainLoss":{"label":"Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)","description":"Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":54000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":54000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":9118000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":9118000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":9118000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-1913000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-1913000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":11588000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanActuarialNetGainsLosses":{"label":"Defined Benefit Plan, Actuarial Net (Gains) Losses (Deprecated 2012-01-31)","description":"The net increase or decrease of changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":72000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":72000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":54000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":54000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanAmortizationOfGainsLosses":{"label":"Defined Benefit Plan, Amortization of Gain (Loss)","description":"Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":-320000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-320000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":-59000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":-30000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":-89000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":-30000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":-215000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-215000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":215000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":215000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-30000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-58000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":-58000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":-30000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":-30000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-87000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":-87,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-29000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-27,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-142000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-142000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":142000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":142000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-142000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-26000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-26000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-52000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-52000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-26000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-26000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":-78,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-78000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-26,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-26000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":951000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":951000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-951000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-951000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-94000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-94000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-185000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-185000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-91000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-91000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-276000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-276000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-91000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-91000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-386000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-386000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-48000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-48000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-97000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-97000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-49000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-49000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-144000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-145000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-47000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-48000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-1747000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-72000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-142000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-70000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-211000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-69000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"DefinedBenefitPlanAmortizationOfPriorServiceCostCredit":{"label":"Defined Benefit Plan, Amortization of Prior Service Cost (Credit)","description":"Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":20000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":20000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":17000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":17000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":17000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":17000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":18000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":18000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":18000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":18000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":18000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":17000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":17000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":17000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":17000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":17000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":17000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":14000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanAmortizationOfTransitionObligationsAssets":{"label":"Defined Benefit Plan, Amortization of Transition Obligations (Assets) (Deprecated 2017-01-31)","description":"The amount of the transition obligation or asset recognized in net periodic benefit cost.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":2000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":2000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":2000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":2000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":2000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":2000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":2000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":4000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":4000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax":{"label":"Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax","description":"Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":-2815000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":-2815000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear":{"label":"Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year (Deprecated 2013-01-31)","description":"The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":244000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":244000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":106000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2012-02-01","end":"2013-01-31","val":106000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear":{"label":"Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year (Deprecated 2017-01-31)","description":"Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation).","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":192000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":214000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanAssetsTransferredToFromPlan":{"label":"Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan","description":"Amount of increase (decrease) in plan assets of defined benefit plan from assets transferred into (from) plan.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":-308000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-308000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":455000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":455000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":455000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-11000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-11000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-1337000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate":{"label":"Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate","description":"Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.","units":{"pure":[{"end":"2011-01-31","val":0.07,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":0.07,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":0.06,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-01-31","val":0.06,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":0.06,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":0.06,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":0.05,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":0.05,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease":{"label":"Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase","description":"Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.","units":{"pure":[{"end":"2011-01-31","val":0.03,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":0.03,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":0.03,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-01-31","val":0.03,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":0.03,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":0.03,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":0.03,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":0.03,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate":{"label":"Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate","description":"Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.07,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":0.07,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.06,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets":{"label":"Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets","description":"Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.07,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":0.07,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.07,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.07,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":0.07,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.07,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.07,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":0.06,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease":{"label":"Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase","description":"Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.03,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":0.03,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.03,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":0.03,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.03,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.03,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2013-01-31","val":0.03,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":0.03,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanBenefitObligation":{"label":"Defined Benefit Plan, Benefit Obligation","description":"Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.","units":{"USD":[{"end":"2010-01-31","val":25658000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":25658000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2011-01-31","val":35190000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":35190000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":35190000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":35190000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010Q4I"},{"end":"2012-01-31","val":34942000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":34942000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":34942000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":34942000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":34942000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011Q4I"},{"end":"2013-01-31","val":45088000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":45088000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":45088000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":45088000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2014-01-31","val":42802000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":42802000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":49814000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanBenefitsPaid":{"label":"Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31)","description":"The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":2696000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2696000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":1474000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1474000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1474000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":2291000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2291000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":1938000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation":{"label":"Defined Benefit Plan, Benefit Obligation, Business Combination","description":"Amount of increase in benefit obligation of defined benefit plan from business combination.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":2033000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":2033000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets":{"label":"Defined Benefit Plan, Plan Assets, Business Combination","description":"Amount of increase in plan assets of defined benefit plan from business combination.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":569000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":569000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanContributionsByEmployer":{"label":"Defined Benefit Plan, Plan Assets, Contributions by Employer","description":"Amount of contribution received by defined benefit plan from employer which increases plan assets.","units":{"USD":[{"start":"2010-02-01","end":"2010-07-31","val":689000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":1076000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":2981000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":2981000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":684000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":875000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":875000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":191000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":1701000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":1701000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":826000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":2263000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2263000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2263000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2263000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":574000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":574000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":715000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":715000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":141000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":141000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":1004000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":1004000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":289000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":289000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":1622000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1622000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1700000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":578000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":578000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":1149000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":1149000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":571000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":571000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":1726000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":1726000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":577000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":577000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":2348000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2348000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":461000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1129000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":668000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":1677000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":548000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":2300000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanContributionsByPlanParticipants":{"label":"Defined Benefit Plan, Contributions by Plan Participants (Deprecated 2017-01-31)","description":"The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":293000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":293000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":337000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":337000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":337000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":337000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":363000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":363000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":363000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":375000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":375000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":334000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanCurtailments":{"label":"Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment","description":"Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":217000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":217000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2011-02-01","end":"2012-01-31","val":1000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-1000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-72000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-72000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":72000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-72000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-56000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":56000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-29000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear":{"label":"Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2013-01-31)","description":"The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.","units":{"USD":[{"end":"2012-01-31","val":2240000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":2240000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":2366000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":2366000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years","description":"Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.","units":{"USD":[{"end":"2013-01-31","val":12400000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":12400000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":10443000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":8324000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter (Deprecated 2012-01-31)","description":"The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position).","units":{"USD":[{"end":"2012-01-31","val":9527000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":9527000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Year Five (Deprecated 2012-01-31)","description":"The amount of the benefits expected to be paid in Year 5.","units":{"USD":[{"end":"2012-01-31","val":1903000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":1903000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Year Four (Deprecated 2012-01-31)","description":"The amount of the benefits expected to be paid in Year 4.","units":{"USD":[{"end":"2012-01-31","val":2160000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":2160000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Year One (Deprecated 2012-01-31)","description":"The amount of the benefits expected to be paid in Year 1.","units":{"USD":[{"end":"2012-01-31","val":838000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":838000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Year Three (Deprecated 2012-01-31)","description":"The amount of the benefits expected to be paid in Year 3.","units":{"USD":[{"end":"2012-01-31","val":1268000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":1268000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Year Two (Deprecated 2012-01-31)","description":"The amount of the benefits expected to be paid in Year 2.","units":{"USD":[{"end":"2012-01-31","val":1132000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":1132000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, Year One","description":"Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.","units":{"USD":[{"end":"2013-01-31","val":1319000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1319000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":1606000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":1406000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, Year Five","description":"Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.","units":{"USD":[{"end":"2013-01-31","val":2476000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2476000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":2127000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":1159000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, Year Four","description":"Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.","units":{"USD":[{"end":"2013-01-31","val":2115000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2115000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":1212000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":1753000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, Year Three","description":"Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.","units":{"USD":[{"end":"2013-01-31","val":1562000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1562000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":1475000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":942000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, Year Two","description":"Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.","units":{"USD":[{"end":"2013-01-31","val":1347000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1347000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":1217000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":1239000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanExpectedReturnOnPlanAssets":{"label":"Defined Benefit Plan, Expected Return (Loss) on Plan Assets","description":"Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":971000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":971000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":665000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":331000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":1001000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":336000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":1265000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1265000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":1265000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1265000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":369000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":741000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":741000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":372000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":372000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":1104000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":1104,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":363000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":363,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":1406000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1406000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1406000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1406000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":1406000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":337000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":337000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":655000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":655000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":318000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":318000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":971,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":971000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":316,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":316000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":1281000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1281000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1281000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1281000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":429000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":429000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":843000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":843000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":414000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":414000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":1258000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":1258000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":415000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":415000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":1673000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":1673000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":93000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":93000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":898000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":898000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":805000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":805000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":1333000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1333000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":435000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":435000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":1743000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":577000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1156000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":579000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":1724000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":568000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"DefinedBenefitPlanFairValueOfPlanAssets":{"label":"Defined Benefit Plan, Plan Assets, Amount","description":"Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.","units":{"USD":[{"end":"2010-01-31","val":19594000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":19594000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2011-01-31","val":25129000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":25129000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":25129000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":25129000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010Q4I"},{"end":"2012-01-31","val":24953000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":24953000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":24953000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":24953000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":24953000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011Q4I"},{"end":"2013-01-31","val":30999000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":30999000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":30999000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":30999000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2014-01-31","val":31617000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":31617000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":37943000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation":{"label":"Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss)","description":"Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":1117000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1117000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":-1126000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-1126000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-1126000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-1126000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-897000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-897000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-897000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-1614000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-1614000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-6171000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets":{"label":"Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets (Deprecated 2017-01-31)","description":"The amount of increase or decrease in plan assets attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":764000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":764000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":-830000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-830000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-830000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-830000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-899000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-899000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-899000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-1349000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-1349000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-4766000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanFundedStatusOfPlan":{"label":"Defined Benefit Plan, Funded (Unfunded) Status of Plan","description":"Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.","units":{"USD":[{"end":"2011-01-31","val":10061000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":10061000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":9989000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":9989000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":-9989000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":-9989000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":-14089000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":-14089000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":-14089000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":-11185000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":-11185000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":-11871000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanInterestCost":{"label":"Defined Benefit Plan, Interest Cost","description":"Amount of cost recognized for passage of time related to defined benefit plan.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":1620000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1620000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":1010000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":501000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":1517000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":507000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":1866000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1866000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":1866000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1866000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":523000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1050000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1050000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":527000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":527000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":1568000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":1568,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":518000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":518,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":2026000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2026000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2026000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2026000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2026000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":545000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":545000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":1061000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":1061000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":516000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":516000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":1577,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":1577000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":516,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":516000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":2089000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":2089000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":2089000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":2089000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":483000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":483000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":950000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":950000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":467000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":467000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":1418000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":1418000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":468000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":468000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":1887000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":1887000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":467000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":467000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":938000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":938000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":471000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":471000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":1392000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1392000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":454000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":454000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":1820000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":345000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":690000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":345000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":1022000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":332000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"DefinedBenefitPlanNetPeriodicBenefitCost":{"label":"Defined Benefit Plan, Net Periodic Benefit Cost (Credit)","description":"Amount of net periodic benefit cost (credit) for defined benefit plan.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":1705000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1705000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":1014000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":500000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":1517000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":503000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":4312000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":4312000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":4312000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":4312000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":513000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1029000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1029000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":518000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":518000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":1544000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":1544,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":515000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":513,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":2332000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2332000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2332000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2332000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2332000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":538000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":538000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":1053000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":1053000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":515000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":515000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":1576,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":1576000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":523,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":523000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":2975000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":2975000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":2975000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":2975000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":652000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":652000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":1295000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":1295000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":643000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":643000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":1948000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":1948000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":653000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":653000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":2704000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2704000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":921000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":921000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1135000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1135000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":214000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":214000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":1680000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1681000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":545000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":546000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":3734000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":426000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":852000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":426000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":1271000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":419000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation":{"label":"Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation","description":"Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.","units":{"USD":[{"end":"2011-01-31","val":23333000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":23333000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":25596000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":25596000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":25596000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":25596000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":34179000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":34179000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":34179000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":33611000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":33611000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":37189000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets":{"label":"Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets","description":"Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.","units":{"USD":[{"end":"2011-01-31","val":15583000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":15583000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":15676000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":15676000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":15676000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":15676000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":22980000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":22980000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":22980000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":24954000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":24954000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":29370000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation":{"label":"Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation","description":"Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.","units":{"USD":[{"end":"2011-01-31","val":25640000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":25640000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":27921000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":27921000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":27921000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":27921000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":37932000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":37932000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":37932000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":37792000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":37792000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":40867000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"DefinedBenefitPlanPlanAmendments":{"label":"Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment","description":"Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":293000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanServiceCost":{"label":"Defined Benefit Plan, Service Cost","description":"Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":497000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":497000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":610000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":300000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":912000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":302000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":3477000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":3477000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":3477000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":3477000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":329000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":662000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":662000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":333000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":333000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":993000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":993,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":331000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":331,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":1549000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1549000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1549000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1549000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":1549000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":304000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":304000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":595000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":595000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":291000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":291000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":892,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":892000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":297,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":297000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":1267000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1267000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1267000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1267000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":504000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":504000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":1003000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":1003000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":499000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":499000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":1512000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":1512000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":509000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":509000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":2027000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2027000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":499000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":499000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":998000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":998000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":499000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":499000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":1477000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1477000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":479000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":479000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":1921000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":586000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1176000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":590000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":1762000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":586000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"DefinedBenefitPlanSettlementsBenefitObligation":{"label":"Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement","description":"Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":392000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":392000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":392000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":392000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":320000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":320000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":320000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":757000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":757000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":249000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlanSettlementsPlanAssets":{"label":"Defined Benefit Plan, Plan Assets, Payment for Settlement","description":"Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":345000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":345000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":345000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":345000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":255000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":255000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":255000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":500000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":500000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":197000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear":{"label":"Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year (Deprecated 2017-01-31)","description":"Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":1946000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":1954000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"Depreciation":{"label":"Depreciation","description":"The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":41753000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":20345000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":10491000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":31738000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":11393000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":43994000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":43994000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":43994000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":11412000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":22675000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":22675000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":11263000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":11263000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":34964000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":34964000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":12289000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":12289000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":46008000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":46008000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":46008000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":46008000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":46008000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":12441000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":12441000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":24233000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":24233000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":11792000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":11792000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":36437000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":36437000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":12204000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":12204000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":48018000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":48018000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":48018000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":48018000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":48018000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":11496000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":11496000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":22725000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":22725000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":11229000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":11229000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":34979000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":34979000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":12254000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":12254000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":48917000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":48917000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":48917000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":48917000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":13182000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":13182000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":26138000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":26138000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":12956000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":12956000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":39766000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":39766000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":13628000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":13628000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":53899000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":53899000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":13806000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":13806000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":28028000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":28028000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":14222000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":14222000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":42235000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":42235000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":14207000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":14207000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":55896000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":13078000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":25925000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":12847000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":38209000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":12284000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"DilutiveSecuritiesEffectOnBasicEarningsPerShareOther":{"label":"Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities","description":"Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of dilutive convertible securities excluding adjustments related to ESOP convertible preferred stock, stock options, and restrictive stock units.","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax":{"label":"Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax","description":"Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":7404000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"}]}},"DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax":{"label":"Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax","description":"Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":100000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"}]}},"Dividends":{"label":"Dividends","description":"Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.","units":{"USD":[{"start":"2012-02-01","end":"2012-10-31","val":6223000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2013-10-31","val":6282000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"}]}},"DividendsCommonStockCash":{"label":"Dividends, Common Stock, Cash","description":"Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":6139000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":6027000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":6027000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":6027000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":-6106000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":6106000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-07-31","val":-6165000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":6165000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":6282000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":6282000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2014-01-31","val":6314000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":6314000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"EarlyRepaymentOfSeniorDebt":{"label":"Early Repayment of Senior Debt","description":"The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":20800000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":20830000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"}]}},"EarningsPerShareBasic":{"label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-02-01","end":"2009-01-31","val":-0.04,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":0.22,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":0.12,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":0.4,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":0.18,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":0.1,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2010-02-01","end":"2010-04-30","val":0.1,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-04-30","val":0.1,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":0.29,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":0.29,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":0.55,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":0.55,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":0.7,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":0.7,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.7,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.7,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.7,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-11-01","end":"2011-01-31","val":0.14,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-11-01","end":"2011-01-31","val":0.14,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4"},{"start":"2011-02-01","end":"2011-04-30","val":0.09,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":0.09,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":0.09,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2011-04-30","val":0.09,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2011-02-01","end":"2011-04-30","val":0.09,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":0.09,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":0.31,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":0.31,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":0.59,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":0.59,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":0.71,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.71,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.71,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.71,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.71,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":0.13,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":0.13,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-04-30","val":0.13,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":0.13,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2012-04-30","val":0.13,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":0.31,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":0.31,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":0.41,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":0.41,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-0.97,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-0.97,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-0.97,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":-1.38,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":-1.38,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-11-01","end":"2013-01-31","val":-1.38,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":-0.12,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-0.12,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":-0.12,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-0.16,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-0.16,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-0.04,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-0.04,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":-0.04,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-0.25,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-0.25,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-0.09,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-0.09,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":-0.09,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-0.73,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-0.8,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":-0.48,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":-0.43,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-0.44,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-0.62,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-0.67,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-0.19,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-0.24,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-0.97,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-1.02,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-0.35,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-0.35,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-2.04,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-0.35,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-1.05,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-0.7,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-1.39,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-0.34,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"EarningsPerShareBasicAndDiluted":{"label":"Earnings Per Share, Basic and Diluted","description":"The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2012-02-01","end":"2013-01-31","val":-0.97,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-0.12,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-05-01","end":"2013-07-31","val":-0.04,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-0.25,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":-0.09,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":-0.1,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-0.8,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":-0.53,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":-0.44,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":-0.44,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-0.67,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-0.24,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":-0.24,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-0.97,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-1.02,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-0.35,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-0.35,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":-0.35,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-2.04,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":-1.02,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":-0.35,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-1.05,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-0.7,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-1.39,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-0.34,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-02-01","end":"2009-01-31","val":-0.04,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":0.21,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":0.12,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":0.39,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":0.18,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":0.1,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2010-02-01","end":"2010-04-30","val":0.1,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-04-30","val":0.1,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":0.28,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":0.28,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-05-01","end":"2010-07-31","val":0.19,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":0.54,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":0.54,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-08-01","end":"2010-10-31","val":0.26,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":0.68,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":0.68,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.68,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.68,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.68,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-11-01","end":"2011-01-31","val":0.14,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-11-01","end":"2011-01-31","val":0.14,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4"},{"start":"2011-02-01","end":"2011-04-30","val":0.08,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":0.08,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":0.08,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2011-04-30","val":0.08,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2011-02-01","end":"2011-04-30","val":0.08,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":0.08,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":0.31,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":0.31,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":0.22,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":0.58,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":0.58,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":0.28,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":0.7,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.7,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.7,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.7,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.7,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":0.12,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":0.12,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":0.12,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-04-30","val":0.12,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":0.12,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2012-04-30","val":0.12,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":0.31,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":0.31,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-05-01","end":"2012-07-31","val":0.18,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":0.41,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":0.41,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-08-01","end":"2012-10-31","val":0.1,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-0.97,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-0.97,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-0.97,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":-1.38,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":-1.38,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-11-01","end":"2013-01-31","val":-1.38,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":-0.12,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-0.12,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":-0.12,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-0.16,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-0.16,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-0.04,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-0.04,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":-0.04,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-0.25,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-0.25,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-0.09,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-0.09,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":-0.09,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-0.73,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-0.8,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":-0.48,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":-0.43,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-0.44,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-0.62,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-0.67,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-0.19,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-0.24,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-0.97,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-1.02,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-0.35,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-0.35,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-2.04,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-0.35,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-1.05,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-0.7,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-1.39,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-0.34,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"EffectiveIncomeTaxRateContinuingOperations":{"label":"Effective Income Tax Rate Reconciliation, Percent","description":"Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.349,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.349,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.308,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.308,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.308,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.308,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":0.311,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.311,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.311,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.311,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.311,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-1.232,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-1.232,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-1.232,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-1.231,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-1.376,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-1.085,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-0.131,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent","description":"Percentage of domestic federal statutory tax rate applicable to pretax income (loss).","units":{"pure":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.094,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.094,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.069,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.069,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.069,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.069,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":0.164,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.164,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.164,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.164,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.164,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-1.09,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-1.09,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-1.09,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-1.09,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-1.63,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-1.337,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-0.262,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential":{"label":"Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.254,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.254,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.243,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.243,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.243,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.243,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":0.254,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.254,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.254,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.254,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.254,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":0.532,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":0.532,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":0.532,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":0.532,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0.31,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":0.31,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0.186,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationNondeductibleExpense":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.035,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.035,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.022,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.022,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.022,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.022,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":0.029,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.029,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.029,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.029,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.029,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-0.088,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-0.088,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-0.088,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-0.088,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-0.105,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-0.084,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-0.011,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"EffectiveIncomeTaxRateReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, Percent","description":"Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":-0.034,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-0.034,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":-0.015,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-0.015,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-0.016,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-0.016,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":-0.003,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-0.003,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-0.003,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-0.003,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-0.003,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":0.041,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":0.041,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":0.042,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":0.042,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-0.008,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-0.019,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-0.017,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"EffectOfExchangeRateOnCashAndCashEquivalents":{"label":"Effect of Exchange Rate on Cash and Cash Equivalents","description":"Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-43967000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":34040000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":38423000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":38549000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":38549000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":38549000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":4161000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":3516000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":3516000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":16205000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":16205000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":11595000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":11595000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":11595000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":11595000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":11595000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":19330000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":19330000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":17606000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":17606000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":-6102000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":-6102000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":-12390000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-12390000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-12390000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-12390000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-12390000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-765000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-765000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-11300000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-11300000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-14538000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-14538000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-22223000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-22223000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-22223000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-22223000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-1190000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-1190000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-12759000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-12759000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":-10810000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-10810000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-27249000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-27249000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":4778000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":4778000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":8304000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":8304000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":10973000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":10464000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-7753000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-1585000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-9395000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":-18918000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized":{"label":"Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount","description":"Amount of cost not yet recognized for nonvested award under share-based payment arrangement.","units":{"USD":[{"end":"2011-10-31","val":24669000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2014-04-30","val":35126000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":32515000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":28331000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-04-30","val":22969000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":22846000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":19215000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense":{"label":"Share-based Payment Arrangement, Expense, Tax Benefit","description":"Amount of tax benefit for recognition of expense of award under share-based payment arrangement.","units":{"USD":[{"start":"2009-02-01","end":"2009-07-31","val":-789000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-1212000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-07-31","val":-1880000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":-1879000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"}]}},"EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards":{"label":"Employee Service Share-based Compensation, Unrecognized Compensation Costs on Nonvested Awards (Deprecated 2011-01-31)","description":"As of the latest balance sheet date presented, the total compensation cost related to outstanding, nonvested equity-based compensation awards not yet recognized (will be charged against earnings as services are performed or other vesting criteria are met).","units":{"USD":[{"end":"2011-07-31","val":26994000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"}]}},"ExcessTaxBenefitFromShareBasedCompensationFinancingActivities":{"label":"Excess Tax Benefit from Share-based Compensation, Financing Activities","description":"Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":464000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-10-31","val":130000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":251000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":61000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":61000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":102000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":102000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":398000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":398000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":483000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":483000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":430000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":430000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":256000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":256000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":132000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":132000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":9000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":9000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":73000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":73000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"ExcessTaxBenefitFromShareBasedCompensationOperatingActivities":{"label":"Excess Tax Benefit from Share-based Compensation, Operating Activities","description":"Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":464000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-10-31","val":130000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1734000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":251000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":61000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":61000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":102000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":102000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":291000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":398000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":398000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":483000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":483000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":430000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":430000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":462000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":256000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":256000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":132000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":132000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":9000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":9000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":19000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":73000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":73000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"FairValueAssetsMeasuredOnRecurringBasisCashAndCashEquivalents":{"label":"Fair Value, Assets Measured on Recurring Basis, Cash and Cash Equivalents (Deprecated 2011-01-31)","description":"This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis.","units":{"USD":[{"end":"2011-01-31","val":326795000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q4I"},{"end":"2011-07-31","val":315778000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"}]}},"FairValueAssetsMeasuredOnRecurringBasisDerivativeFinancialInstrumentsAssets":{"label":"Fair Value, Assets Measured on Recurring Basis, Derivative Financial Instruments, Assets (Deprecated 2011-01-31)","description":"This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis.","units":{"USD":[{"end":"2011-01-31","val":445000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q4I"},{"end":"2011-07-31","val":174000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"}]}},"FairValueLiabilitiesMeasuredOnRecurringBasisDerivativeFinancialInstrumentsLiabilities":{"label":"Fair Value, Liabilities Measured on Recurring Basis, Derivative Financial Instruments, Liabilities (Deprecated 2011-01-31)","description":"This element represents a certain statement of financial position liability caption which represents a class of liabilities, or which may include an individual liability, measured at fair value on a recurring basis.","units":{"USD":[{"end":"2011-01-31","val":108000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q4I"},{"end":"2011-07-31","val":80000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)","description":"This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":-93000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":-93000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":-311000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-308000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":95000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":724000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":724000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-123000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings","description":"Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":-308000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":3000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-95000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-403000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-724000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-724000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-07-31","val":-123000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":123000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":1600000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":1600000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1600000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements)","description":"Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2011-02-01","end":"2011-04-30","val":1780000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1780000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":1780000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":1686000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":1686000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-94000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":1686000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":1686000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1686000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1686000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":0,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2013-01-31","val":-968000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":-968000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-968000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value","description":"Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"end":"2010-01-31","val":476000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2010-01-31","val":476000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":388000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010Q4I"},{"end":"2011-01-31","val":388000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":388000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2011-01-31","val":388000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2011-01-31","val":388000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2011-01-31","val":388000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":388000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":388000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":388000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-04-30","val":1878000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q1I"},{"end":"2011-04-30","val":1878000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2011-07-31","val":1826000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q2I"},{"end":"2011-07-31","val":1826000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2011-07-31","val":1826000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-10-31","val":2106000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3I"},{"end":"2011-10-31","val":2106000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011Q4I"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":2586000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-04-30","val":2479000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q1I"},{"end":"2012-04-30","val":2479000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-07-31","val":2297000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q2I"},{"end":"2012-07-31","val":2297000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-10-31","val":2422000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings","description":"Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":-170000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":-170000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":-554000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-563000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":-563000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":-9000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-563000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":-563000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":-563000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-563000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-563000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-563000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":0,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)","description":"Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"start":"2011-02-01","end":"2011-10-31","val":-111000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":-111000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-111000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-111000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-111000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-111000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-111000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":0,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value","description":"Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.","units":{"USD":[{"end":"2010-01-31","val":811000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2010-01-31","val":811000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":649000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010Q4I"},{"end":"2011-01-31","val":649000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":649000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2011-01-31","val":649000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2011-01-31","val":649000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2011-01-31","val":649000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":649000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":649000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-04-30","val":128000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q1I"},{"end":"2011-04-30","val":128000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2011-07-31","val":118000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q2I"},{"end":"2011-07-31","val":118000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2011-10-31","val":0,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":0,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q4I"},{"end":"2012-04-30","val":0,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"}]}},"FairValueOfAssetsAcquired":{"label":"Fair Value of Assets Acquired","description":"The fair value of assets acquired in noncash investing or financing activities.","units":{"USD":[{"start":"2011-02-01","end":"2011-10-31","val":27614000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"}]}},"FiniteLivedIntangibleAssetsAccumulatedAmortization":{"label":"Finite-Lived Intangible Assets, Accumulated Amortization","description":"Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2011-01-31","val":-56371000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":56371000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":56371000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":56371000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-07-31","val":-64599000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":68469000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":54648000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":54648000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":54648000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":54648000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":54648000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":54648000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":54648000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":57361000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":58426000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":61527000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":64233000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":64233000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":64233000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":64233000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":64233000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":64233000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":67267000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":69316000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":72619000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":78715000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":78715000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":78715000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":78715000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":78715000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":86249000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":93599000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":97841000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":102965000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":102965000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":102965000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":102965000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":110956000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":118205000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":123997000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, after Year Five","description":"Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2014-07-31","val":37661000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":38944000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":16979000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":17805000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":18957000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":19919000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year One","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":2860,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q4I"},{"end":"2013-01-31","val":19489000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":19489000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":14665000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":12459000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":7432000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":29911000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":22712000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":15294000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":7659000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":29900000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":22518000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.","units":{"USD":[{"end":"2012-07-31","val":6869000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2015-07-31","val":15075000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":7455000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFive":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Five","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":19530,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q4I"},{"end":"2012-07-31","val":18038000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2014-07-31","val":22311000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":22707000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":23062000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":23376000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":23758000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":24017000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearFour":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Four","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":21275,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q4I"},{"end":"2012-07-31","val":19734000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2013-01-31","val":20710000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":20710000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":21802000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":23317000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":25388000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":23421000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":23826000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":24161000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":24491000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":23070000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":23385000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":23766000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":24025000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearThree":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Three","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":22432,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q4I"},{"end":"2012-07-31","val":20913000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2013-01-31","val":22850000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":22850000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":23949000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":25327000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":27468000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":26532000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":27041000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":27391000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":27772000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":24844000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":25259000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":25695000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":26094000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo":{"label":"Finite-Lived Intangible Asset, Expected Amortization, Year Two","description":"Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":18476,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q4I"},{"end":"2012-07-31","val":22963000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2013-01-31","val":24001000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":24001000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":25282000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":26728000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":28760000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":28732000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":29225000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":29602000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":29719000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":28265000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":28700000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":29253000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":29477000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsGross":{"label":"Finite-Lived Intangible Assets, Gross","description":"Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2011-01-31","val":147055000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":147055000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":147055000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":147055000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-07-31","val":174771000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":186127000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":172750000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":172750000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":172750000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":172750000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":172750000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":172750000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":172750000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":181345000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":187491000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":197980000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":206683000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":206683000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":206683000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":206683000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":206683000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":206683000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":215286000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":224892000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":237481000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":244177000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":244177000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":244177000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":244177000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":244177000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":247557000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":250019000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":249133000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":249085000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":249085000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":249085000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":249085000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":251999000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":254709000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":254984000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsNet":{"label":"Finite-Lived Intangible Assets, Net","description":"Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.","units":{"USD":[{"end":"2011-01-31","val":90684000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":90684000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":90684000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":90684000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-07-31","val":110172000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":117658000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":118102000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":118102000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":118102000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":118102000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":118102000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":118102000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":118102000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":123984000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":129065000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":136453000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":142450000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":142450000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":142450000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":142450000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":142450000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":142450000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":148019000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":155576000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":164862000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":165462000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":165462000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":165462000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":165462000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":165462000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":161308000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":156420000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":151292000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":146120000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":146120000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":146120000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":146120000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":141043000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":136504000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":130987000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"FiniteLivedIntangibleAssetsUsefulLifeMaximum":{"label":"Finite-Lived Intangible Assets, Useful Life, Maximum (Deprecated 2012-01-31)","description":"The maximum useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.","units":{"Y":[{"start":"2011-02-01","end":"2012-01-31","val":5,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":5,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"FiniteLivedIntangibleAssetsUsefulLifeMinimum":{"label":"Finite-Lived Intangible Assets, Useful Life, Minimum (Deprecated 2012-01-31)","description":"The minimum useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.","units":{"Y":[{"start":"2011-02-01","end":"2012-01-31","val":3,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":3,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"ForeignCurrencyTransactionGainLossBeforeTax":{"label":"Foreign Currency Transaction Gain (Loss), before Tax","description":"Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":226000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":226000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-07-31","val":1392000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":359000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":2185000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":793000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":1768000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":1768000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1768000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":1768000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":176000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":399000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":399000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":223000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-05-01","end":"2011-07-31","val":223000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":-278000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":-278000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-677000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-08-01","end":"2011-10-31","val":-677000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":265000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":265000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":265000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":265000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-28000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":-28000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":300000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-07-31","val":-300000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":272000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-05-01","end":"2012-07-31","val":-272000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":508000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-508000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":208000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-08-01","end":"2012-10-31","val":-208000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":1051000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":1051000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2013-02-01","end":"2013-04-30","val":-242000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":962000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":720000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2"},{"start":"2013-02-01","end":"2013-10-31","val":1256000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":294000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3"}]}},"ForeignCurrencyTransactionGainLossRealized":{"label":"Foreign Currency Transaction Gain (Loss), Realized","description":"Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":2631000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":1140000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1140000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":2835000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2835000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":5916000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"ForeignIncomeTaxExpenseBenefitContinuingOperations":{"label":"Foreign Income Tax Expense (Benefit), Continuing Operations","description":"Amount of current and deferred foreign income tax expense (benefit) attributable to income (loss) from continuing operations.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":22113000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":22113000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":28285000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":28285000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":28285000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":28285000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":39284000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":39284000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":39284000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":39284000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":39284000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":49600000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":49600000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":49600000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":49600000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":27953000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":27532000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":20073000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"FutureAmortizationExpenseYearFive":{"label":"Future Amortization Expense, Year Five (Deprecated 2012-01-31)","description":"The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":15886000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":17991000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":19598000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":19598000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":16089000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"FutureAmortizationExpenseYearFour":{"label":"Future Amortization Expense, Year Four (Deprecated 2012-01-31)","description":"The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":18121000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":19970000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":21390000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":21390000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":18162000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"FutureAmortizationExpenseYearOne":{"label":"Future Amortization Expense, Year One (Deprecated 2012-01-31)","description":"The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":15098000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":14475000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":12441000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":12441000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":13102000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"FutureAmortizationExpenseYearThree":{"label":"Future Amortization Expense, Year Three (Deprecated 2012-01-31)","description":"The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":21150000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":23092000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":22652000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":22652000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":19533000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"FutureAmortizationExpenseYearTwo":{"label":"Future Amortization Expense, Year Two (Deprecated 2012-01-31)","description":"The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":19200000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":20858000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":19950000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":19950000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":21291000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments":{"label":"Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments","description":"Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":-21000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":-21000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-07-31","val":840000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":719000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":-848000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":-29000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":337000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":337000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":203000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":94000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":94000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":-109000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-05-01","end":"2011-07-31","val":109000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":107000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":13000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-231000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-231000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":58000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":87000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":29000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2"}]}},"GainLossOnSaleOfAccountsReceivable":{"label":"Gain (Loss) on Sale of Accounts Receivable","description":"Amount of gain (loss) on sale of accounts receivable.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-26","end":"2013-10-31","val":-20211000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2014-01-31","val":-3405000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"GainLossOnSaleOfPropertyPlantEquipment":{"label":"Gain (Loss) on Disposition of Property Plant Equipment","description":"Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":1393000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":6428000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":6195000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":5915000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":5915000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":5915000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":-32000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":123000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":123000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":-102000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":-102000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":-338000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":-338000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-338000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-338000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-338000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-54000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":-54000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":220000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":220000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":632000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":632000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":-141000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-141000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-141000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-141000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-141000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-15000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-15000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-37000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-37000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-25000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-25000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":682000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":682000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":682000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":682000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":370000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":370000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":696000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":696000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":548000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":548000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":367000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":367000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":51000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":51000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":225000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":225000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":522000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":522000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-345000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":676000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1134000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":2480000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee":{"label":"Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee","description":"Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries or equity method investee.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":7404000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"}]}},"GainsLossesOnExtinguishmentOfDebt":{"label":"Gain (Loss) on Extinguishment of Debt","description":"Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-21820000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-21820000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-21820000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-21820000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-21820000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-21820000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-21820000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"}]}},"Goodwill":{"label":"Goodwill","description":"Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"end":"2010-01-31","val":414791000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":415591000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":415591000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2010-01-31","val":415591000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":415591000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2010-07-31","val":416523000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":426645000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":423974000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":423974000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":423974000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":423974000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":423974000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":423974000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":423974000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":423974000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010Q4I"},{"end":"2011-04-30","val":438610000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":435374000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":420183000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":415222000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011Q4I"},{"end":"2012-04-30","val":416293000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":407104000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":407266000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":314269000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":314269000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":314269000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":314269000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":314269000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":314269000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":314269000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2013-04-30","val":312608000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":306186000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":308486000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":298498000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":298498000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":298498000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":298498000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":298498000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":303641000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":302080000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":295218000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":282572000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":282572000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":282572000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":282572000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":281872000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":224976000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":219640000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"GoodwillAcquiredDuringPeriod":{"label":"Goodwill, Acquired During Period","description":"Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":1282000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":1282000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2013-01-31","val":390000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":390000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":390000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"GoodwillAllocationAdjustment":{"label":"Goodwill, Allocation Adjustment (Deprecated 2013-01-31)","description":"Purchase price allocation adjustment for allocation not yet complete at the prior year end.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":-54000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":-54000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"GoodwillImpairedAccumulatedImpairmentLoss":{"label":"Goodwill, Impaired, Accumulated Impairment Loss","description":"Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"end":"2011-01-31","val":100494000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":100494000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":100494000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-10-31","val":100494000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":100494000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":100494000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":100494000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":100494000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":100494000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":100494000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":100494000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011Q4I"},{"end":"2012-04-30","val":100494000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":100494000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2013-01-31","val":193502000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":193502000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":193502000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":193502000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":193502000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":193502000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":193502000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2013-04-30","val":193502000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":193502000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":193502000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":193502000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":193502000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":193502000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q4I"},{"end":"2014-04-30","val":193502000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":193502000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":193502000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":193502000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q4I"},{"end":"2015-04-30","val":193502000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":243502000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":243502000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"GoodwillImpairmentLoss":{"label":"Goodwill, Impairment Loss","description":"Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":98932000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":1562000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":1562000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1562000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010"},{"start":"2011-02-01","end":"2011-10-31","val":0,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2012-02-01","end":"2013-01-31","val":93008000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":93008000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":93008000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":93008000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":50000000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":50000000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":50000000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"GoodwillOtherChanges":{"label":"Goodwill, Other Changes (Deprecated 2016-01-31)","description":"Amount of other (increase) decrease of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":1206000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":1206000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"GoodwillTranslationAdjustments":{"label":"Goodwill, Translation Adjustments (Deprecated 2016-01-31)","description":"Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":7155000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":7155000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":-8752000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-8752000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-8752000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-8752000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":1071000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-8118000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":-7956000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-8335000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-8335000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-8335000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-1661000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-8083000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-10-31","val":-5783000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-15771000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-15771000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":5143000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":3582000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-10-31","val":-3280000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2015-01-31","val":-15926000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-700000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-7596000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":-12932000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"GoodwillTranslationAndPurchaseAccountingAdjustments":{"label":"Goodwill, Translation and Purchase Accounting Adjustments","description":"Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":11400000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":-3791000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"}]}},"ImpairmentOfIntangibleAssetsExcludingGoodwill":{"label":"Impairment of Intangible Assets (Excluding Goodwill)","description":"The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":11009000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2011-02-01","end":"2012-01-31","val":5178000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":5178000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":5178000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":5178000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":5178000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":5178000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":5178000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2013-01-31","val":1643000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1643000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1643000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1643000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2014-02-01","end":"2014-07-31","val":-43791000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-9984000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-76427000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-32636000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2015-02-01","end":"2015-07-31","val":-102213000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-72573000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-127057000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-24844000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":7488000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":33511000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":19314000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":61515000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":28004000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":69928000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":69928000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":69928000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":15677000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":45823000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":45823000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":30146000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":30146000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":86426000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":86426000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":40603000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":40603000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":107852000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":107852000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":107852000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":107852000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":107852000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":14745000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":14745000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":50842000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":50842000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":36097000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":36097000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":95123000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":95123000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":44281000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":44281000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":114648000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":114648000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":114648000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":114648000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":114648000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":20704000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":20704000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":50968000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":50968000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":30264000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":30264000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":71215000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":71215000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":20247000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":20247000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-42149000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-42149000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-42149000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-42149000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":442000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":442000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":6350000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":6350000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":5908000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":5908000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":8379000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":8379000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2029000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2029000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-29846000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-37478000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-33772000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-33807000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-37637000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-3865000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-70608000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-32971000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-179136000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-29640000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"}]}},"IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest","description":"Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-10024000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":45500000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":74623000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2010"}]}},"IncomeLossFromContinuingOperationsPerBasicShare":{"label":"Income (Loss) from Continuing Operations, Per Basic Share","description":"The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-02-01","end":"2009-01-31","val":-0.12,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.7,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2010"}]}},"IncomeLossFromContinuingOperationsPerDilutedShare":{"label":"Income (Loss) from Continuing Operations, Per Diluted Share","description":"The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2008-02-01","end":"2009-01-31","val":-0.12,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":0.41,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.68,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2010"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare":{"label":"Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share","description":"Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.","units":{"USD/shares":[{"start":"2008-02-01","end":"2009-01-31","val":0.08,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"}]}},"IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare":{"label":"Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share","description":"Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.","units":{"USD/shares":[{"start":"2008-02-01","end":"2009-01-31","val":0.08,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"}]}},"IncomeTaxExpenseBenefit":{"label":"Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":17512000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":10224000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":5907000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":17761000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":7537000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":24428000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":24428000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":24428000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":4936000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2010-02-01","end":"2010-04-30","val":4936000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-04-30","val":4936000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":14255000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":14255000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":9319000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":9319000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":9319000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-05-01","end":"2010-07-31","val":9319000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":27106000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":27106000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":12851000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":12851000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":12851000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-08-01","end":"2010-10-31","val":12851000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":33229000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":33229000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":33229000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":33229000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":33229000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-11-01","end":"2011-01-31","val":6123000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-11-01","end":"2011-01-31","val":6123000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4"},{"start":"2011-02-01","end":"2011-04-30","val":4235000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":4235000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":4235000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2011-04-30","val":4235000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2011-02-01","end":"2011-04-30","val":4235000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":4235000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":15494000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":15494000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":11259000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":11259000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-05-01","end":"2011-07-31","val":11259000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-05-01","end":"2011-07-31","val":11259000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":11259000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":11259000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":29465000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":29465000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":13971000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":13971000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-08-01","end":"2011-10-31","val":13971000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-08-01","end":"2011-10-31","val":13971000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":13971000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":13971000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":35650000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":35650000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":35650000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":35650000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":35650000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":6185000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":6185000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-11-01","end":"2012-01-31","val":6185000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":6185000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":6474000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":6474000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-04-30","val":6474000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":6474000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2012-04-30","val":6474000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":16521000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":16521000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":10047000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":10047000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-05-01","end":"2012-07-31","val":10047000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":10047000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-05-01","end":"2012-07-31","val":10047000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":23899000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":23899000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":7378000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":7378000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-08-01","end":"2012-10-31","val":7378000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":7378000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-08-01","end":"2012-10-31","val":7378000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":51891000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":51891000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":51891000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":51891000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":27992000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":27992000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-11-01","end":"2013-01-31","val":27992000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":11306000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":11306000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":11306000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2013-02-01","end":"2013-04-30","val":11306000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":20720000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":20720000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":9414000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":9414000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":9414000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":9414000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":30054000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":30054000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":9334000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":9334000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":9334000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":8683000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":41076000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":40655000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":11022000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-11-01","end":"2014-01-31","val":11252000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":8967000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":9562000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":9562000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":19280000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":18734000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":10313000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":9172000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":9172000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":21573000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":21055000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":2293000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":2321000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":2321000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":23425000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":2370000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":5742000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":3797000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-1945000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":10981000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":7184000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"IncomeTaxExpenseBenefitContinuingOperations":{"label":"Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31)","description":"The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":24428000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":24428000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":33229000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":33229000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":35650000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":35650000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"IncomeTaxesPaid":{"label":"Income Taxes Paid","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":41296000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":41296000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":17406000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":23184000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":36892000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":36892000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":36892000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":36892000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":8104000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":25365000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":25365000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":30245000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":30245000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":50245000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":50245000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":50245000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":50245000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":50245000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":11518000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":11518000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":23876000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":23876000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":31587000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":31587000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":55605000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":55605000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":55605000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":55605000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":4979000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":4979000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":6502000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":6502000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":6045000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":6045000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":14592000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":14592000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":12682000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":13873000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":24499000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":23404000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":24558000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":23519000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":20582000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":10758000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":91000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":10695000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance":{"label":"Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":6542000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":6542000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":7412000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":7412000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":7412000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":7412000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-07-31","val":8408000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":18776000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":18776000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":18776000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":18776000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":18776000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":45925000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":45925000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":45925000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":45925000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":5000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2014-01-31","val":48651000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":50103000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":46960000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"IncomeTaxReconciliationForeignIncomeTaxRateDifferential":{"label":"Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":17750000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":17750000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":26201000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":26201000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":26201000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":26201000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":29130000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":29130000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":29130000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":29130000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":29130000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-22417000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-22417000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-22417000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-22417000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-9252000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-11618000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-33305000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate":{"label":"Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount","description":"The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"IncomeTaxReconciliationNondeductibleExpense":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":2418000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":2418000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":2325000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":2325000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":2325000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":2325000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":3366000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":3366000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":3366000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":3366000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":3366000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":3691000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":3691000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":3691000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":3691000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":3144000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":3144000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":1881000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible impairment loss.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":672000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":672000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":672000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":672000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":672000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":672000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":852000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":852000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":852000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":852000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":852000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":34379000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":34379000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":34379000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":34379000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"IncomeTaxReconciliationOtherReconcilingItems":{"label":"Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":-2386000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-2386000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":-1621000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-1621000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-1621000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-1621000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":-441000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-441000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-441000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-441000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-441000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-1714000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-1714000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-1714000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-1714000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":239000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":732000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":3092000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"IncomeTaxReconciliationPriorYearIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount","description":"Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit).","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":2700000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"}]}},"IncreaseDecreaseInAccountsPayableTrade":{"label":"Increase (Decrease) in Accounts Payable, Trade","description":"Change in recurring obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and sale of goods and services.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-64074000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-59761000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-42355000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":24589000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":24589000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":24589000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":24961000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":42458000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":42458000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":106395000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":106395000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":72185000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":72185000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":72185000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":72185000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":72185000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":35348000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":35348000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":44913000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":44913000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":46058000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":46058000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":41518000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":41518000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":41518000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":41518000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":41518000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-8755000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-8755000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-25853000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-25853000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-40758000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-40758000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-11871000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-11871000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-11871000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-11871000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":335000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":335000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":55228000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":55228000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":41571000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":41571000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":21572000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":21572000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-27563000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-27563000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-50836000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-50836000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":-7943000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-8412000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-25709000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-23278000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-44358000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":2686000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"IncreaseDecreaseInAccountsReceivable":{"label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-70662000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-92168000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-10809000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":-4034000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":-4034000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-4034000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":82511000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":164928000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":164928000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":226164000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":226164000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":135076000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":135076000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":135076000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":135076000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":135076000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":94581000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":94581000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":123460000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":123460000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":162073000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":162073000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":99690000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":99690000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":99690000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":99690000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":99690000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":6839000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":6839000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":25540000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":25540000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":87987000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":87987000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-1561000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-1561000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-1561000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-1561000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":95087000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":95087000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":152246000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":152246000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":240226000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":240226000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":176898000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":171598000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":139165000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":135013000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":101696000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":95157000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":144132000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":128995000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":2959000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":35467000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-57100000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":-28432000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"IncreaseDecreaseInOtherAccruedLiabilities":{"label":"Increase (Decrease) in Other Accrued Liabilities","description":"The increase (decrease) during the reporting period in other expenses incurred but not yet paid.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-2546000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-7911000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":6770000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":-15780000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":-15780000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-15780000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":-1324000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":6741000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":8621000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":17252000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":19131000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":12340000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":12340000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":12340000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":12340000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":12340000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-9572000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":-9572000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-2959000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":-2959000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":17230000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":17230000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":15375000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":15375000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":15375000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":15375000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":15375000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-21593000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-21593000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-17298000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-17298000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":1776000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":1776000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-21595000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-21595000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-21595000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-21595000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":27089000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":27089000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":23409000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":23409000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":47904000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":47904000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":5959000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":7489000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":37181000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":33596000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":24836000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":23675000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":14781000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":5611000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":4612000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-8333000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-17142000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":-10816000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"IncreaseDecreaseInOtherCurrentAssets":{"label":"Increase (Decrease) in Other Current Assets","description":"Amount of increase (decrease) in current assets classified as other.","units":{"USD":[{"start":"2014-02-01","end":"2014-10-31","val":1363000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-02-01","end":"2015-10-31","val":-4928000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"IncreaseDecreaseInOtherNoncurrentAssets":{"label":"Increase (Decrease) in Other Noncurrent Assets","description":"Amount of increase (decrease) in noncurrent assets classified as other.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":1811000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1811000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-10-31","val":4186000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":5975000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":5975000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":5975000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":661000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":1016000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":406000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":406000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-847000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-847000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-847000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-847000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1216000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1227000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2869000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2869000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":3292000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":3292000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":4612000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4612000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-792000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-792000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":310000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":310000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":560000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":558000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-6618000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-171000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-267000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":104000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"IncreaseDecreaseInOtherOperatingAssets":{"label":"Increase (Decrease) in Other Operating Assets","description":"Amount of increase (decrease) in operating assets classified as other.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":12055000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":5616000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":7800000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":9441000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":9441000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":9441000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":-2465000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":2168000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":2168000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":5397000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":5397000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":21664000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":21664000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":21664000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":21664000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":21664000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":5308000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":5308000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":6242000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":6242000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":12554000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":12554000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":1168000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1168000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1168000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1168000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":1168000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":8860000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":8860000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":21489000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":21489000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":33166000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":33166000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":28226000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":28226000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":28226000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":28226000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1225000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1225000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":6855000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":6855000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":-7860000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-7860000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-8291000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-8291000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":212000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":212000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":20628000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":20628000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":1496000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2015-01-31","val":5085000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-1317000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-376000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"}]}},"IncreaseDecreaseInRestrictedCash":{"label":"Increase (Decrease) in Restricted Cash","description":"The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":50025000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":50025000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":44378000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":44378000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":32801000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":32801000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":29068000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":4674000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":5542000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":5036000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"IncrementalCommonSharesAttributableToConversionOfDebtSecurities":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.","units":{"shares":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"IncrementalCommonSharesAttributableToConversionOfPreferredStock":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.","units":{"shares":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"IncrementalCommonSharesAttributableToShareBasedPaymentArrangements":{"label":"Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements","description":"Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.","units":{"shares":[{"start":"2009-02-01","end":"2010-01-31","val":1579968,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1579968,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":1342448,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":1075517,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":1378912,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":1280174,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":1644843,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1644843,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":1644843,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1644843,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1905069,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1072832,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1072832,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":920871,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":920871,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":946210,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":946210,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":655373,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":655373,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":859854,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":859854,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":859854,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":859854,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":859854,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":944279,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":944279,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":597814,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":597814,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":283151,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":283151,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":478347,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":478347,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":217699,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":217699,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"IndefiniteLivedTradeNames":{"label":"Indefinite-Lived Trade Names","description":"Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.","units":{"USD":[{"end":"2011-01-31","val":920000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":920000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":920000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":920000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-07-31","val":922000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":911000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":913000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":913000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":913000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":913000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":913000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":913000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":913000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":919000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":912000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":919000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":916000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":916000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":916000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":916000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":916000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":916000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":916000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":912000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":917000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":907000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":907000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":907000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":907000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":907000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":910000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":912000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":909000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":898000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":898000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":898000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":898000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":908000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":902000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":891000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"IntangibleAssetsNetExcludingGoodwill":{"label":"Intangible Assets, Net (Excluding Goodwill)","description":"Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.","units":{"USD":[{"end":"2010-01-31","val":72182000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":71882000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":71882000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":65921000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":63797000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":91604000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":91604000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":91604000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":91604000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":91604000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":91604000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":98912000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":111094000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":118569000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":119015000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":119015000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":119015000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":119015000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":119015000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":119015000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":119015000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":124903000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":129977000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":137372000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":143366000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":143366000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":143366000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":143366000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":143366000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":143366000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":148935000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":156488000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":165779000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":166369000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":166369000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":166369000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":166369000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":166369000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":162218000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":157332000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":152201000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":147018000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":147018000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":147018000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q4I"},{"end":"2015-04-30","val":141951000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":137406000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":30559000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":10707000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":4531000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":17227000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":6520000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":22942000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":22942000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":22942000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":6678000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":13948000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":13948000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":7270000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":7270000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":22859000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":22859000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":8911000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":8911000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":30557000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":30557000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":30557000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":30557000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":30557000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":8452000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":8452000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":17568000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":17568000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":9116000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":9116000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":25622000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":25622000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":8054000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":8054000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":31908000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":31908000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":31908000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":31908000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":31908000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":6393000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":6393000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":12392000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":12392000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":5999000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":5999000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":19462000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":19462000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":7070000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":7070000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":30486000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":30486000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":30486000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":30486000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":8572000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":8572000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":16233000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":16233000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":7661000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":7661000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":24346000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":24346000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":8113000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":8113000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":34165000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":34165000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":13285000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":13285000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":29955000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":29955000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":16670000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":16670000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":46844000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":46843000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":16889000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":16888000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":62726000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":16359000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":29186000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":12827000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":42729000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":13543000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"InterestPaid":{"label":"Interest Paid, Including Capitalized Interest, Operating and Investing Activities","description":"Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.","units":{"USD":[{"start":"2010-02-01","end":"2010-07-31","val":15765000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":26019000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-07-31","val":19752000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":29944000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2013-02-01","end":"2014-01-31","val":2100000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"}]}},"InterestPaidCapitalized":{"label":"Interest Paid, Capitalized, Investing Activities","description":"Amount of cash paid for interest capitalized, classified as investing activity.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":1379000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1379000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":1935000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1935000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":1935000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1935000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":4156000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":4156000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":4156000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":4156000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":4156000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":6908000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":6908000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":6908000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":6908000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":2252000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2252000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":233000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"InterestPaidNet":{"label":"Interest Paid, Excluding Capitalized Interest, Operating Activities","description":"Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":35648000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-10-31","val":29699000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":44654000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":44654000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":7762000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":14550000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":24701000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":24701000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":32807000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":32807000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":10022000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":10022000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":28067000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":28067000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":37692000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":37692000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":55357000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":9960000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":23560000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":29385000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"InterestPayableCurrent":{"label":"Interest Payable, Current","description":"Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-01-31","val":4692000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":4692000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":7399000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":7399000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":7399000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":7399000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":1956000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1956000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":1956000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":6216000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":6216000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":10413000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"InvestmentIncomeInterest":{"label":"Investment Income, Interest","description":"Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":13316000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":4956000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":2233000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":7322000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":2366000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":10221000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":10221000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":10221000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":2559000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":5903000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":5903000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":3344000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":3344000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":10338000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":10338000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":4435000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":4435000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":14448000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":14448000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":14448000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":14448000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":14448000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":4228000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":4228000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":9477000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":9477000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":5249000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":5249000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":14208000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":14208000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":4731000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":4731000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":18122000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":18122000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":18122000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":18122000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":18122000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":3585000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":3585000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":7090000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":7090000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":3505000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":3505000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":11935000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":11935000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":4845000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":4845000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":17071000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":17071000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":17071000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":17071000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":5279000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":5279000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":9493000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":9493000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":4214000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":4214000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":12683000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":12683000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":3190000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":3190000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":17180000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":17180000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":4688000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":4688000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":11292000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":11292000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":6604000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":6604000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":17624000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":17624000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":6332000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":6332000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":23080000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":5622000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":7050000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":1428000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":9262000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":2212000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"LaborAndRelatedExpense":{"label":"Labor and Related Expense","description":"Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":844255000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":362466000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":186663000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":559141000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":196675000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":753149000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":753149000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":753149000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":207001000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":411520000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":411520000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":204519000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":204519000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":626377000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":626377000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":214857000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":214857000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":849995000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":849995000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":849995000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":849995000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":849995000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":233345000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":233345000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":476480000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":476480000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":243135000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":243135000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":715348000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":715348000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":238868000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":238868000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":938592000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":938592000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":938592000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":938592000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":938592000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":231188000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":231188000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":456518000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":456518000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":225330000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":225330000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":675573000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":675573000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":219055000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":219055000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":894503000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":894503000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":894503000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":894503000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":220212000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":220212000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":444492000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":444492000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":224280000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":224280000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":665567000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":665567000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":221075000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":221075000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":885710000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":885710000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":220677000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":217177000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":450046000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":445145000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":229369000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":227968000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":668151000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":664250000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":218105000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":219105000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":879299000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":199131000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":406740000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":207609000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":605911000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":199171000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"LiabilitiesAndStockholdersEquity":{"label":"Liabilities and Equity","description":"Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.","units":{"USD":[{"end":"2010-01-31","val":1937046000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":1937546000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":1937546000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":2159000000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":2220664000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":2112705000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":2112705000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":2112705000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":2112705000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":2307913000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":2358953000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":2324407000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":2255649000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":2294951000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":2220425000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":2261810000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":2074057000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":2103230000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":2124883000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":2194717000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":2082062000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":2076485000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":2309410000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":2242671000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":2191666000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":1973952000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":1963171000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":1806965000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":1833995000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LiabilitiesCurrent":{"label":"Liabilities, Current","description":"Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.","units":{"USD":[{"end":"2010-01-31","val":932401000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":932901000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":932901000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":1160773000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":1179072000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":1063723000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":1063723000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":1063723000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":1063723000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":1063723000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":1063723000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":1187305000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":1076872000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":1083383000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":986472000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":986472000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":986472000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":986472000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":986472000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":986472000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":986472000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":1013231000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":944946000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":991714000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":895071000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":895071000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":895071000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":895071000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":895071000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":895071000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":937777000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":996136000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":1068112000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":1060191000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":1060191000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":1060191000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":1060191000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":1061644000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":936130000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":878772000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":882280000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":816611000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":816611000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":816611000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":816611000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":839543000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":787001000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":867314000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LineOfCredit":{"label":"Long-term Line of Credit","description":"The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2014-07-31","val":238570000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":199379000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":121652000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":189878000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":180118000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":245321000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LineOfCreditFacilityAmountOutstanding":{"label":"Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31)","description":"Amount borrowed under the credit facility as of the balance sheet date.","units":{"USD":[{"end":"2011-07-31","val":282001000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":328379000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":240036000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":240036000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-04-30","val":291674000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":264289000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":309943000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":236104000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":236104000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":238759000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":270015000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":305144000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":417658000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":256586000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"}]}},"LineOfCreditFacilityAverageOutstandingAmount":{"label":"Line of Credit Facility, Average Outstanding Amount","description":"Average amount borrowed under the credit facility during the period.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":207145000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":207145000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":421144000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":421144000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":221300000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":221300000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":149888000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":149888000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":149888000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":210151000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":210151000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":137591000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"LineOfCreditFacilityDecreaseRepayments":{"label":"Line of Credit Facility, Decrease, Repayments (Deprecated 2013-01-31)","description":"Decrease for amounts repaid on the credit facility for the period.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":144126000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":23863000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":34178000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":36689000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":36689000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":36689000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2010-04-30","val":3797000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":5102000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":5102000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":13292000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2010-10-31","val":13292000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":29988000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":29988000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":29988000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":29988000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":29988000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":20177000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-04-30","val":20177000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-07-31","val":150700000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":150700000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":163946000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":163946000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":251964000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":251964000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":251964000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":251964000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":16743000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":16743000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":71640000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":154705000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":306851000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":306851000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2013-02-01","end":"2013-04-30","val":98586000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"LineOfCreditFacilityIncreaseAdditionalBorrowings":{"label":"Line of Credit Facility, Increase, Additional Borrowings (Deprecated 2013-01-31)","description":"Increase for additional borrowings on the credit facility during the period.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-136186000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-12334000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-13065000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":20937000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":20937000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-20937000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2010-04-30","val":-1420000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":-111788000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":-111788000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":-120785000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2010-10-31","val":-120785000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":128920000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":128920000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":128920000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":128920000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-128920000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":-28873000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-04-30","val":-28873000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-07-31","val":96357000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":-96357000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":149779000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":-149779000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":183496000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":183496000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":183496000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":183496000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-65642000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":-65642000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":100766000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":228866000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":328894000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":328894000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2013-02-01","end":"2013-04-30","val":-98628000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"LineOfCreditFacilityIncreaseDecreaseOtherNet":{"label":"Line of Credit Facility, Increase (Decrease), Other, Net","description":"Amount of increase (decrease), classified as other, of the credit facility.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":17063000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":23130000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-1083000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":-20327000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":-20327000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-20327000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":-25634000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":-56562000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":-56562000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":31583000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":31583000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":33817000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":33817000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":33817000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":33817000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":33817000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-9139000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":-9139000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":18177000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":18177000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":5283000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":5283000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":26404000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":26404000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":26404000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":26404000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":26404000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-3770000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-3770000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-551000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-551000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-1383000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-1383000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":7552000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":7552000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":7552000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":7552000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-26553000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-26553000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-24255000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-24255000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":-23175000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-23175000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-20425000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-20425000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":2133000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":2133000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-3343000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-3343000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":3012000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":3012000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":17478000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-761000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-4055000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":-3680000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"LineOfCreditFacilityMaximumBorrowingCapacity":{"label":"Line of Credit Facility, Maximum Borrowing Capacity","description":"Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.","units":{"USD":[{"end":"2011-07-31","val":426100000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":450144000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":415326000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":415326000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-04-30","val":413132000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":413885000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":485262000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":492778000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":492778000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":470464000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":468402000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":472445000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":480743000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":425751000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":425130000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":332422000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":328250000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":467115000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":342467000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":332214000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LineOfCreditFacilityRemainingBorrowingCapacity":{"label":"Line of Credit Facility, Remaining Borrowing Capacity","description":"Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).","units":{"USD":[{"end":"2011-07-31","val":144099000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":121765000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":175290000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":175290000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-04-30","val":121458000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":149596000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":175319000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":256674000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":256674000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":231705000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":198387000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":167301000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":63085000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":159637000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":186560000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":133043000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":206598000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":277237000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":162349000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":86893000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LinesOfCreditCurrent":{"label":"Line of Credit, Current","description":"The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2012-01-31","val":76240000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":76240000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":79213000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":79213000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":79213000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":79213000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":79213000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":79213000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":102104000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":133738000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":174965000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":260700000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":260700000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":260700000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":260700000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":260700000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":117116000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":95847000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":83109000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":31306000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":31306000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":31306000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":31306000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":65356000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":62208000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":131178000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LitigationSettlementExpense":{"label":"Litigation Settlement, Expense","description":"Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":3106000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":3106000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":3106000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-10-31","val":5213000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":5213000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":5213000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":5213000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":5213000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":5213000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":5213000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":5213000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":1519000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":1519000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":2572000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"LoansPayable":{"label":"Loans Payable","description":"Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).","units":{"USD":[{"end":"2011-07-31","val":237562000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":243033000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":252979000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":252979000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-04-30","val":257632000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":262903000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":262756000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":210097000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":210097000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":206627000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":206047000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":205242000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":209350000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":363751000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":366147000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":368073000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":368275000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"},{"end":"2015-04-30","val":368418000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":369235000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":375881000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LoansPayableCurrent":{"label":"Loans Payable, Current","description":"Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.","units":{"USD":[{"end":"2010-01-31","val":69934000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":69934000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":69934000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":70578000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":70768000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":34232000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":34232000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":34232000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":34232000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":34232000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":34232000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":43448000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":12142000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":21780000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":23955000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":24049000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":44041000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":2678000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":2417000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":2023000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":3488000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":3488000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":3488000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":3488000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":3488000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":2045000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":2071000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":1776000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":1429000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":1429000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":1429000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":1429000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":1173000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":891000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":7080000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LongTermDebt":{"label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2012-01-31","val":252979000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-01-31","val":252979000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":210097000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":210097000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive":{"label":"Long-Term Debt, Maturity, after Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":21775000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":21775000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":5663000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":203488000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":1429000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive":{"label":"Long-Term Debt, Maturity, Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":94000000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":94000000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2015-01-31","val":359730000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":{"label":"Long-Term Debt, Maturity, Year Four","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":38803000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":38803000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":314000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":314000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":{"label":"Long-Term Debt, Maturity, Year Three","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":37416000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":37416000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":1561000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1561000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":1858000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":1235000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":{"label":"Long-Term Debt, Maturity, Year Two","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-01-31","val":60985000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":60985000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":2559000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2559000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":4004000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":5881000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"LongTermInvestments":{"label":"Long-term Investments","description":"The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).","units":{"USD":[{"end":"2010-01-31","val":1717000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":1717000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":1717000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":853000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":888000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":1102000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":1102000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":1102000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":1102000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":1102000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":1102000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":1159000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":1165000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":1137000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":1108000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":1108000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":1108000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":1108000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":1108000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":1108000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":1108000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":1006000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":963000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":995000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":969000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":969000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":969000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":969000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":969000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":969000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":972000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":1057000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":1110000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":1075000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":1075000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":1075000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":1075000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":1075000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":1130000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":1007000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":1034000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":1023000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":1023000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":1023000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":1023000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":1055000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":1095000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":4730000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"LongTermLoansPayable":{"label":"Loans Payable, Noncurrent","description":"Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.","units":{"USD":[{"end":"2010-01-31","val":99097000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":99097000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":99097000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":62173000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":62107000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":61230000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":61230000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":61230000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":61230000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":61230000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":61230000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":72160000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":225420000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":221253000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":231204000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":231204000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":231204000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":231204000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":231204000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":231204000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":231204000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":233677000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":238854000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":218715000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":204434000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":204434000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":204434000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":204434000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":204434000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":204434000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":203949000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":203630000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":203219000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":205862000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":205862000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":205862000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":205862000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":205862000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":361706000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":364076000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":366297000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":366846000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":366846000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":366846000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":366846000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":367245000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":368344000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":368801000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"MinorityInterest":{"label":"Stockholders' Equity Attributable to Noncontrolling Interest","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).","units":{"USD":[{"end":"2010-01-31","val":22907000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":22907000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":22907000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":24806000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":12550000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":13089000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":13089000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":13089000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":13089000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":13089000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":13089000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":15723000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":17506000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":14315000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":12743000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":12743000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":12743000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":12743000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":12743000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":12743000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":12743000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":13797000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":12115000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":13922000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":14347000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":14347000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":14347000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":14347000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":14347000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":14347000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":15808000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":13584000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":15248000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":14318000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":14318000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":14318000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":14318000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":13788000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":15498000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":18169000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":15038000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":12582000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":12582000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":12582000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":12582000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":10216000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":8888000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":8857000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders":{"label":"Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders","description":"Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":1442000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":2020000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":2020000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":2020000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":-1719000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":1719000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":157000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-157000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":157000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":157000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":157000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":2443000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2443000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2443000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2443000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2443000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":47000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":47000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":2433000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":2433000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":2433000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":2433000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":2837000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":2837000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":2837000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":2837000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1491000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1491000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":3371000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":3371000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":3399000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":3399000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":6123000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":6123000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":44000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-10-31","val":1416000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2015-01-31","val":-353000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-170000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"}]}},"MinorityInterestDecreaseFromRedemptions":{"label":"Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests","description":"Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).","units":{"USD":[{"start":"2010-02-01","end":"2010-10-31","val":8323000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-07-31","val":-1121000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":13073000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"}]}},"MinorityInterestOwnershipPercentageByParent":{"label":"Noncontrolling Interest, Ownership Percentage by Parent","description":"The parent entity's interest in net assets of the subsidiary, expressed as a percentage.","units":{"pure":[{"end":"2012-01-31","val":0.5,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":0.5,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":0.5,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":0.5,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":0.5,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":0.5,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-76623000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-32693000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-27002000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":-39986000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":-39986000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-39986000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2010-04-30","val":20295000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":111219000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":111219000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":8210000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2010-10-31","val":8210000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":-46246000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":-46246000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-46246000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-46246000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-46246000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":12311000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-04-30","val":12311000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-07-31","val":21355000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":21355000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":59361000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":59361000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":-24903000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-24903000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-24903000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-24903000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-24903000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":35767000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":35767000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":379000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-07-31","val":379000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":33229000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":33229000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-20184000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":-20184000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-20184000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2013-02-01","end":"2013-04-30","val":17190000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":46074000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-10-31","val":77354000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":174373000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"}]}},"NetCashProvidedByUsedInFinancingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Financing Activities, Continuing Operations","description":"Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":-20184000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":17190000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":46074000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":77354000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2014-01-31","val":174373000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":177437000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":177437000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":151810000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":151810000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":142246000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":142246000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":128791000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":49615000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":37885000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":86931000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"NetCashProvidedByUsedInInvestingActivities":{"label":"Net Cash Provided by (Used in) Investing Activities","description":"Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-62138000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-6990000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-12379000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":-24622000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":-24622000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-24622000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2010-04-30","val":-6039000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":-24965000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":-24965000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":-44781000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2010-10-31","val":-44781000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":-62223000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":-62223000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-62223000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-62223000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-62223000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":-9806000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-04-30","val":-9806000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-07-31","val":-43980000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":-43980000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":-62695000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":-62695000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":-85669000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-85669000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-85669000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-85669000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-85669000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-17081000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":-17081000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":-33705000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-07-31","val":-33705000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":-55986000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-55986000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-82852000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":-82852000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-82852000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2013-02-01","end":"2013-04-30","val":-15374000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-45803000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-10-31","val":-63738000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-81933000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"}]}},"NetCashProvidedByUsedInInvestingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Investing Activities, Continuing Operations","description":"Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":-82852000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-15374000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-45803000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":-63738000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2014-01-31","val":-81933000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-57579000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-57579000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-60469000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-60469000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":-60137000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-60135000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-56220000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-8566000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-17749000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":-30453000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"NetCashProvidedByUsedInOperatingActivities":{"label":"Net Cash Provided by (Used in) Operating Activities","description":"Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":150456000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":66302000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":51643000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":119974000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":119974000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":119974000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2010-04-30","val":-28480000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":-48529000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":-48529000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":11730000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2010-10-31","val":11730000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":72885000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":72885000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":72885000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":72885000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":72885000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":-43633000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-04-30","val":-43633000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-07-31","val":-5998000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":-5998000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":21671000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":21671000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":117928000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":117928000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":117928000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":117928000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":117928000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-10248000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":-10248000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":-14374000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-07-31","val":-14374000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":-57473000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-57473000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":40774000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":40774000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":40774000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2013-02-01","end":"2013-04-30","val":-52563000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-46663000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-10-31","val":-68862000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-98083000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"}]}},"NetCashProvidedByUsedInOperatingActivitiesContinuingOperations":{"label":"Net Cash Provided by (Used in) Operating Activities, Continuing Operations","description":"Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":40774000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-52563000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-46663000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":-68862000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2014-01-31","val":-98083000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-122137000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-122137000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-125087000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-125087000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":-105597000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-105090000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":-57370000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-75357000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-7068000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":15479000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"NetIncomeLoss":{"label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-4637000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":21600000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":11755000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":39567000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":17967000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":41114000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":41114000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":41114000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":10074000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2010-02-01","end":"2010-04-30","val":10074000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-04-30","val":10074000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":28943000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":28943000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":18869000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":18869000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":18869000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-05-01","end":"2010-07-31","val":18869000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":55366000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":55366000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":26423000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":26423000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":26423000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-08-01","end":"2010-10-31","val":26423000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":69903000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":69903000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":69903000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":69903000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":69903000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-11-01","end":"2011-01-31","val":14537000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-11-01","end":"2011-01-31","val":14537000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4"},{"start":"2011-02-01","end":"2011-04-30","val":8743000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":8743000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":8743000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2011-04-30","val":8743000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2011-02-01","end":"2011-04-30","val":8743000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":8743000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":31616000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":31616000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":22873000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":22873000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-05-01","end":"2011-07-31","val":22873000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-05-01","end":"2011-07-31","val":22873000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":22873000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":22873000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":60152000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":60152000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":28536000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":28536000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-08-01","end":"2011-10-31","val":28536000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-08-01","end":"2011-10-31","val":28536000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":28536000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":28536000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":72533000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":72533000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":72533000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":72533000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":72533000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":12381000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":12381000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-11-01","end":"2012-01-31","val":12381000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":12381000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":12886000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":12886000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-04-30","val":12886000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":12886000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2012-04-30","val":12886000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":31769000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":31769000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":18883000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":18883000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-05-01","end":"2012-07-31","val":18883000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":18883000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-05-01","end":"2012-07-31","val":18883000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":42317000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":42317000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":10548000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":10548000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-08-01","end":"2012-10-31","val":10548000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":10548000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-08-01","end":"2012-10-31","val":10548000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-100506000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-100506000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-100506000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-100506000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":-142823000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":-142823000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-11-01","end":"2013-01-31","val":-142823000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":-12418000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-12418000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":-12418000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2013-02-01","end":"2013-04-30","val":-12418000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-16862000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-16862000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-4444000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-4444000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":-4444000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-4444000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-25937000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-25937000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-9075000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-9075000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":-9075000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":-10386000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-76658000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-83294000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":-50721000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-11-01","end":"2014-01-31","val":-56046000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":-43182000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-43723000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":-43723000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-60126000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-65651000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-16944000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-21928000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":-21928000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-94121000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-99337000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-33995000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-33686000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":-33686000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-203220000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":-103883000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":-33291000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-104020000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-70729000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-136725000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-32705000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"NetIncomeLossAttributableToNoncontrollingInterest":{"label":"Net Income (Loss) Attributable to Noncontrolling Interest","description":"Amount of Net Income (Loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":2117000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":1687000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":1652000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":4187000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":2500000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":4386000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":4386000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":4386000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":667000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":2625000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":2625000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":1958000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":1958000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":3954000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":3954000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":1329000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":1329000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":4720000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":4720000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":4720000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":4720000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":4720000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1767000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":1767000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":3732000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":3732000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":1965000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":1965000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":5506000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":5506000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":1774000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":1774000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":6465000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":6465000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":6465000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":6465000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":6465000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":1344000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":1344000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":2678000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":2678000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":1334000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":1334000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":4999000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":4999000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":2321000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":2321000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":6466000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":6466000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":6466000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":6466000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1554000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1554000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2492000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2492000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":938000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":938000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":4262000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":4262000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1770000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1770000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":5736000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":5161000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":443000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":354000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":3209000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":3126000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":2766000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":2772000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":1940000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1855000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-1269000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-1271000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":659000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-2091000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-1990000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":101000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-1313000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":677000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"NetIncomeLossAvailableToCommonStockholdersBasic":{"label":"Net Income (Loss) Available to Common Stockholders, Basic","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2013-02-01","end":"2013-04-30","val":-12418000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-16862000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-4444000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-25937000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":-9075000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-83294000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-45128000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-45669000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-65186000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-70711000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-20058000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-25042000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-102350000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-107566000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-37164000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-36855000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-214674000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-36573000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-110642000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-74069000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-146745000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-36103000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"NetIncomeLossAvailableToCommonStockholdersDiluted":{"label":"Net Income (Loss) Available to Common Stockholders, Diluted","description":"Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.","units":{"USD":[{"start":"2013-02-01","end":"2013-04-30","val":-12418000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-16862000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-4444000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-25937000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":-9075000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-83294000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-45128000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-45669000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-65186000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-70711000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-20058000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-25042000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-102350000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-107566000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-37164000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-36855000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-214674000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-36573000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-110642000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-74069000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-146745000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-36103000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"NoncurrentAssets":{"label":"Long-Lived Assets","description":"Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.","units":{"USD":[{"end":"2010-01-31","val":147647000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009Q4I"},{"end":"2010-01-31","val":147647000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":147645000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":147645000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":147645000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-10-31","val":178960000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":188379000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q4I"},{"end":"2012-01-31","val":188379000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":188379000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":188379000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-04-30","val":204066000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":204642000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"}]}},"NotionalAmountOfForeignCurrencyDerivativeSaleContracts":{"label":"Notional Amount of Foreign Currency Derivative Sale Contracts (Deprecated 2013-01-31)","description":"Aggregate notional amount of foreign currency derivatives to sell a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.","units":{"USD":[{"end":"2011-10-31","val":20985000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3I"},{"end":"2012-01-31","val":75753000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-01-31","val":75753000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-04-30","val":60227000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1I"},{"end":"2012-10-31","val":49358000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":40145000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":40145000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-04-30","val":34581000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"}]}},"NumberOfBusinessesAcquired":{"label":"Number of Businesses Acquired","description":"The number of businesses acquired by the entity during the period.","units":{"Acquisition":[{"start":"2011-02-01","end":"2012-01-31","val":0,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-10-31","val":0,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":0,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-10-31","val":0,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"},{"start":"2014-01-01","end":"2014-06-30","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"}]}},"OperatingExpenses":{"label":"Operating Expenses","description":"Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":3484018000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":3484018000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-07-31","val":2153393000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":1117189000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":3307886000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":1154493000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":4427057000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":4427057000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":4427057000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":4427057000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1179912000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":2437529000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":2437529000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":1257617000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":1257617000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":3653784000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":3653784000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":1216255000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":1216255000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":4785551000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":4785551000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":4785551000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":4785551000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":4785551000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":1124743000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":1145117000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":2247501000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":2295017000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":1122758000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":1149900000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":3353687000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":3429016000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1106186000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1133999000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":4635816000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":4635816000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":4635816000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":4635816000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1076676000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1076676000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2196019000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2196019000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":1119343000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":1119343000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":3343179000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":3343179000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1147160000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1147160000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":4451048000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4453380000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":1048223000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1047158000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":2132392000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":2140344000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":1084169000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":1093186000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":3232880000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":3239398000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":1100488000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":1099054000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":4295594000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":992149000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1967318000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":975169000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":2863830000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":896512000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":23294000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":40260000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":22408000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":71676000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":31416000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":83504000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":83504000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":83504000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":18952000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2010-02-01","end":"2010-04-30","val":18952000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-04-30","val":18952000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":52853000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":52853000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":33901000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":33901000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":33901000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-05-01","end":"2010-07-31","val":33901000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":96764000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":96764000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":43911000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":43911000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":43911000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-08-01","end":"2010-10-31","val":43911000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":122716000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":122716000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":122716000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":122716000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":122716000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-11-01","end":"2011-01-31","val":25952000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-11-01","end":"2011-01-31","val":25952000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4"},{"start":"2011-02-01","end":"2011-04-30","val":18793000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":18793000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":18793000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2011-04-30","val":18793000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2011-02-01","end":"2011-04-30","val":18793000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":18793000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":58534000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":58534000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":39741000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":39741000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-05-01","end":"2011-07-31","val":39741000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-05-01","end":"2011-07-31","val":39741000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":39741000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":39741000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":106815000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":106815000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":48281000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":48281000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-08-01","end":"2011-10-31","val":48281000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-08-01","end":"2011-10-31","val":48281000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":48281000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":48281000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":128670000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":128670000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":128670000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":128670000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":128670000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":21855000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":21855000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-11-01","end":"2012-01-31","val":21855000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":21855000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":23540000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":23540000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-04-30","val":23540000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":23540000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2012-04-30","val":23540000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":56570000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":56570000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":33030000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":33030000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-05-01","end":"2012-07-31","val":33030000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":33030000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-05-01","end":"2012-07-31","val":33030000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":79250000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":79250000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":22680000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":22680000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-08-01","end":"2012-10-31","val":22680000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":22680000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-08-01","end":"2012-10-31","val":22680000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-28295000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-28295000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-28295000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-28295000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":-107545000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":-107545000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-11-01","end":"2013-01-31","val":-107545000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":3977000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":3977000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":3977000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2013-02-01","end":"2013-04-30","val":3977000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":14052000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":14052000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":10075000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":10075000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":10075000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":10075000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":21298000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":21298000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":7246000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":7246000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":7246000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":4997000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-10168000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-17800000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":-31466000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-11-01","end":"2014-01-31","val":-36849000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":-3235000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-3270000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":-3270000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":3842000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-2311000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":7077000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":959000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":959000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-18367000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-24186000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-22209000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-21875000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":-21875000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-115819000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":-91633000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":-18832000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-80073000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-61241000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-91874000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-11801000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OperatingLeasesFutureMinimumPaymentsDue":{"label":"Operating Leases, Future Minimum Payments Due","description":"Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.","units":{"USD":[{"end":"2012-01-31","val":376353000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":376353000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":329561000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":329561000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":322360000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":295047000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueCurrent":{"label":"Operating Leases, Future Minimum Payments Due, Next Twelve Months","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":117179000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":117179000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":102740000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":102740000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":104965000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":98177000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFiveYears":{"label":"Operating Leases, Future Minimum Payments, Due in Five Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":34860000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":34860000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":26281000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":26281000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":19019000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":14199000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInFourYears":{"label":"Operating Leases, Future Minimum Payments, Due in Four Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":44298000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":44298000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":40207000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":40207000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":33311000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":28353000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInThreeYears":{"label":"Operating Leases, Future Minimum Payments, Due in Three Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":62192000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":62192000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":55315000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":55315000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":58558000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":53444000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueInTwoYears":{"label":"Operating Leases, Future Minimum Payments, Due in Two Years","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":83384000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":83384000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":77686000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":77686000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":78909000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":78979000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OperatingLeasesFutureMinimumPaymentsDueThereafter":{"label":"Operating Leases, Future Minimum Payments, Due Thereafter","description":"Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2012-01-31","val":34440000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":34440000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":27332000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":27332000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":27598000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":21895000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OperatingLeasesRentExpenseNet":{"label":"Operating Leases, Rent Expense, Net","description":"Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":138792000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":138792000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":138428000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":138428000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":138428000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":138428000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":150915000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":150915000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":150915000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":150915000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":150915000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":149451000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":149451000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":149451000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":149451000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":153566000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":153566000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":145802000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"OperatingLossCarryforwards":{"label":"Operating Loss Carryforwards","description":"Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.","units":{"USD":[{"end":"2012-01-31","val":75375000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":75375000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2013-01-31","val":15302000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":15302000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":20371000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2015-01-31","val":26418000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OtherAccruedLiabilitiesCurrent":{"label":"Other Accrued Liabilities, Current","description":"Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2011-01-31","val":100759000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":100759000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":109162000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":109162000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":109162000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":109162000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":121726000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":121726000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":117421000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":110557000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":112298000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":107488000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"OtherAssetsCurrent":{"label":"Other Assets, Current","description":"Amount of current assets classified as other.","units":{"USD":[{"end":"2010-01-31","val":111575000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":111575000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":111575000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":125407000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":126619000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":131295000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":131295000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":131295000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":131295000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":131295000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":131295000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":141874000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":147633000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":140737000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":132545000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":132545000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":132545000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":132545000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":132545000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":132545000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":132545000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":140136000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":151220000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":149069000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":156385000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":156385000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":156385000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":156385000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":156385000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":156385000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":153788000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":158390000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":158816000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":154465000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":154465000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":154465000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":154465000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":154465000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":157348000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":185082000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":157024000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":154756000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":154756000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":154756000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":154756000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":154186000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":155490000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":145248000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2010-01-31","val":29430000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":29430000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":29430000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":33446000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":35120000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":32467000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":32467000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":32467000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":32467000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":32467000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":32467000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":36293000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":40560000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":39299000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":38575000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":38575000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":38575000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":38575000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":38575000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":38575000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":38575000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":39441000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":38127000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":37336000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":34688000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":34688000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":34688000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":34688000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":34688000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":34688000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":36018000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":36520000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":37225000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":36768000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":36768000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":36768000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":36768000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":36768000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":51070000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":67146000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":50189000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":41305000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":41305000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":41305000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":41305000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":40195000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":38650000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":37229000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax":{"label":"Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2012-01-31)","description":"The change in other comprehensive income due to the amortization of the net prior service costs (credit) into net periodic pension costs.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":-18000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-18000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax":{"label":"Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2012-01-31)","description":"The adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":-175000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":-175000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":15000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":15000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":-3000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2012-01-31","val":15000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":15000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-3000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax":{"label":"Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax (Deprecated 2013-01-31)","description":"Tax effect of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":4000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":4000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-07-31","val":3000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":2000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":5000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":2000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":6000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":6000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-07-31","val":3000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":1000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":4000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax","description":"Amount, after tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":-13000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-13000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2013-01-31","val":-13000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":-13000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax":{"label":"Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax (Deprecated 2012-01-31)","description":"Pretax change in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan, that has not been recognized in net periodic benefit cost.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":253000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":253000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax":{"label":"Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax","description":"Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-3355000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":1547000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":1547000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1115000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":-814000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":-814000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-814000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-814000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-926000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":-17000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-34000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":-17000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-50000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-16000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-186000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-186000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-186000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-186000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":473000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":441000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-32000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":418000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-23000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-2073000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":-2073000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax":{"label":"Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax","description":"Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":2305000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":547000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":547000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1558000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":120000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":120000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":120000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":120000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":240000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":7000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":14000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":7000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":21000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":7000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":67000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":67000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":67000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":67000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":203000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":189000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":14000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":179000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":10000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":743000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":743000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (Deprecated 2012-01-31)","description":"Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-104261000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":68566000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":68566000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":68566000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":13880000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":13880000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":13880000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":44056000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2012-01-31","val":-21977000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-21977000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-761000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax","description":"Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":17000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":309000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax","description":"Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":-13000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":232000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax":{"label":"Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31)","description":"Before tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost.","units":{"USD":[{"start":"2012-02-01","end":"2012-04-30","val":-4000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"}]}},"OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax":{"label":"Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (Deprecated 2013-01-31)","description":"Net of tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":-15000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":-15000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-07-31","val":-7000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":-4000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":11000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":4000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-15000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-15000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-07-31","val":-6000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-3000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":9000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":3000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":4000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostTaxEffect":{"label":"Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Tax Effect (Deprecated 2012-01-31)","description":"Tax effect on adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":61000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":61000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":4000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":4000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":1000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2012-01-31","val":6000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":6000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":1000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax":{"label":"Other Comprehensive Income (Loss), before Reclassifications, before Tax","description":"Amount before tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":-35037000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-37391000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-30777000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":4260000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-88725000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":26647000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":25838000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":25678000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-962000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-969000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-6623000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-32461000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-58847000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":1585000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-50572000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-52157000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"}]}},"OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax":{"label":"Other Comprehensive Income (Loss), before Reclassifications, Net of Tax","description":"Amount after tax, before reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":-21022000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-22434000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-18466000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":2556000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-53235000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":15988000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":15503000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":15407000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-577000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-581000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-3974000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-3943000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-19477000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-19350000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-35308000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":951000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-30343000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-31294000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-48331000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-17988000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OtherComprehensiveIncomeLossBeforeReclassificationsTax":{"label":"Other Comprehensive Income (Loss) before Reclassifications, Tax","description":"Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss).","units":{"USD":[{"start":"2014-02-01","end":"2014-07-31","val":10271000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-388000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2015-02-01","end":"2015-07-31","val":-20229000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-20863000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"}]}},"OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax","description":"Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":13880000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":13880000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-07-31","val":34522000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":-9534000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-9945000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-44467000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-21977000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-21977000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-21977000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-761000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-26418000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-26418000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-25657000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-25657000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":-29103000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-29103000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-2685000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-2685000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-36263000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-36263000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-36263000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-36263000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1401000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1401000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-22125000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-22125000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-23526000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-23526000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-19647000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-19647000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2478000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2478000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-56098000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-55917000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":16817000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":16694000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":16189000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":16063000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-628000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-631000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-3778000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-3765000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-19967000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-19828000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-35827000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":705000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-31127000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-31832000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-49869000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-18742000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":12954000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":12954000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-07-31","val":34468000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":-9551000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-10008000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-44476000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-21904000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-21904000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-21904000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-311000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-25797000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-25797000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-25486000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-25486000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":-28463000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-28463000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-2666000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-2666000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-38173000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-38173000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-38173000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-38173000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1539000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1539000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-21704000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-21704000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-23243000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-23243000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-19301000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-19301000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2403000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2403000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-53696000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-53515000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":16764000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":16641000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":16199000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":16073000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-565000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-568000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-3544000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-3531000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-19743000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-19604000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-36761000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":740000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-30934000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-31674000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-49486000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-18552000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease":{"label":"Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)","description":"This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":69681000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":69681000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-07-31","val":2115000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":-5354000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":25279000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":23164000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":12954000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":12954000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":44019000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":34468000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":-9551000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-10008000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-44476000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-21904000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-21904000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":-311000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"}]}},"OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent","description":"Amount after tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2011-02-01","end":"2011-04-30","val":42995000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":42995000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-05-01","end":"2011-07-31","val":-9369000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":-9369000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-08-01","end":"2011-10-31","val":-42842000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":-42842000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-20867000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-20867000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":-11651000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":-11651000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":-68000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2012-04-30","val":-68000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2012-04-30","val":-68000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-05-01","end":"2012-07-31","val":-24856000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-05-01","end":"2012-07-31","val":-24856000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-05-01","end":"2012-07-31","val":-24856000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-08-01","end":"2012-10-31","val":-2152000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-08-01","end":"2012-10-31","val":-2152000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-08-01","end":"2012-10-31","val":-2152000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-36365000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-36365000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-36365000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":-9289000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":-9289000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-11-01","end":"2013-01-31","val":-9289000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":1550000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":1550000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-20601000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-22151000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":-22151000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-22151000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-18120000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":2481000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":2481000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":2479000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-50969000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-50833000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":-32849000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-11-01","end":"2014-01-31","val":-32711000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":15935000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":15935000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":15513000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":15417000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-514000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-518000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":-518000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-3740000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-3709000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-19253000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-19126000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":-19126000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-36242000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":-32533000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":986000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-30150000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-31136000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-47948000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-17798000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax","description":"Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.","units":{"USD":[{"start":"2012-02-01","end":"2012-04-30","val":643000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2013-02-01","end":"2013-04-30","val":204000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax","description":"Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":-73000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":450000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-621000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-171000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":-640000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-19000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":1910000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1910000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":138000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-138000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-421000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-421000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-283000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-283000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-346000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-346000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":75000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":75000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-2402000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-2402000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":53000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":53000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-10000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-10000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-63000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-63000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-234000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-234000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-224000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-224000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":934000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-35000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-193000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-158000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-383000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-190000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax":{"label":"Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax","description":"Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.","units":{"USD":[{"start":"2012-02-01","end":"2012-04-30","val":193000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2013-02-01","end":"2013-04-30","val":66000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax":{"label":"Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax","description":"Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":-2974000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":2296000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax","description":"Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":-2183000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":1652000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax":{"label":"Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, before Tax","description":"Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":-4000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-4000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationNetOfTax":{"label":"Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, after Tax","description":"Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":-4000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":-3000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostBeforeTax":{"label":"Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31)","description":"Before tax amount of the income statement impact of the reclassification adjustment for the net transition asset (obligation) recognized as a component of net periodic benefit cost.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":-2000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-2000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2013-02-01","end":"2013-04-30","val":-4000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlanNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax":{"label":"Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Net of Tax (Deprecated 2013-01-31)","description":"Net of tax amount of the income statement impact of the reclassification adjustment for the net transition (asset) obligation recognized as a component of net periodic benefit cost.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":-2000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":-2000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2013-01-31","val":-17000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":-17000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax":{"label":"Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax (Deprecated 2013-01-31)","description":"Before tax amount of the income statement impact of the reclassification adjustment for actuarial gain (loss) recognized as a component of net periodic benefit cost.","units":{"USD":[{"start":"2012-02-01","end":"2012-04-30","val":-676000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2013-02-01","end":"2013-04-30","val":-90000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"OtherCostAndExpenseOperating":{"label":"Other Cost and Expense, Operating","description":"The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":505223000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":219122000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":116992000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":338477000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":119355000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":466435000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":466435000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":466435000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":125039000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":251263000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":251263000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":126224000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":126224000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":383008000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":383008000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":131745000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":131745000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":522034000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":522034000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":522034000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":522034000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":522034000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":137694000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":137694000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":278166000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":278166000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":140472000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":140472000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":416663000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":416663000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":138497000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":138497000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":552518000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":552518000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":552518000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":552518000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":552518000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":134601000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":134601000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":265799000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":265799000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":131198000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":131198000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":403341000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":403341000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":137542000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":137542000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":546456000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":546456000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":546456000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":546456000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":132903000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":132903000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":265306000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":265306000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":132403000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":132403000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":397936000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":397936000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":132630000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":132630000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":547344000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":547856000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":133996000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":133995000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":275903000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":275902000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":141907000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":141907000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":415746000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":415744000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":139843000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":139842000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":558097000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":123649000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":245075000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":121426000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":366316000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":121241000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OtherIntangibleAssetsNet":{"label":"Other Intangible Assets, Net","description":"Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.","units":{"USD":[{"end":"2015-01-31","val":147018000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-10-31","val":131878000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"OtherLiabilitiesNoncurrent":{"label":"Other Liabilities, Noncurrent","description":"Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2010-01-31","val":26377000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":34500000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":34500000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":27600000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":34322000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":37943000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":37943000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":37943000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":37943000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":37943000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":37943000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":39377000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":38327000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":38757000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":38775000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":38775000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":38775000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":38775000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":38775000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":38775000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":38775000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":41188000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":38593000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":40104000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":47178000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":47178000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":47178000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":47178000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":47178000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":47178000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":47506000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":44290000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":43018000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":38098000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":38098000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":38098000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":38098000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":38098000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":39558000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":38584000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":36744000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":36892000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":36892000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":36892000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":36892000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":35871000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":34875000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":34212000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"OtherNoncashIncomeExpense":{"label":"Other Noncash Income (Expense)","description":"Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":-1964000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-1964000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-10-31","val":-2288000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":988000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":988000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":988000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":988000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":-398000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-1022000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":-1512000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":-1512000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":-4777000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-4777000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-4777000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-4777000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-4777000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-697000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-697000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-1146000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-1146000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-1450000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-1450000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-1771000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-1771000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-1771000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-1805000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-1805000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-2859000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-2859000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2013-10-31","val":-3375000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-3388000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-765000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-765000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-856000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-856000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-04-30","val":-2237000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-2194000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"}]}},"OtherNonoperatingIncomeExpense":{"label":"Other Nonoperating Income (Expense)","description":"Amount of income (expense) related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":1437000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-998000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":-796000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":-256000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":742000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":-855000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":-855000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":-855000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":844000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":1015000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":1015000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":171000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":171000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":2183000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":2183000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":1168000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":1168000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":1245000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":1245000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1245000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":1245000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":1245000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":176000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":176000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":399000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":399000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":223000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":223000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":-278000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":-278000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":-677000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":-677000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":-236000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-236000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-236000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-236000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-236000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-28000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-28000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-300000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-300000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":-272000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":-272000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":-508000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-508000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-208000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":-208000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-439000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-439000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-439000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-439000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-242000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-242000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-962000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-962000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-720000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-720000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-1256000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-1256000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-294000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-294000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-2693000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-2693000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-120000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-120000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-996000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-997000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-876000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-877000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-1201000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-1202000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-205000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-205000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-1851000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-71000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-4000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":67000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-1716000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-1712000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"OtherRestructuringCosts":{"label":"Other Restructuring Costs","description":"Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":8903000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":1231000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":1231000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":1231000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009"}]}},"PaymentOfFinancingAndStockIssuanceCosts":{"label":"Payment of Financing and Stock Issuance Costs","description":"The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":1745000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":24692000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":24692000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":25789000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":25789000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":25789000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":25789000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":25789000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"}]}},"PaymentsForOtherTaxes":{"label":"Payments for Other Taxes","description":"Amount of cash outflow for taxes classified as other.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":1490000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":274000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":274000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":274000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2014-01-31","val":584000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2015-01-31","val":34000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"}]}},"PaymentsForProceedsFromOtherInvestingActivities":{"label":"Payments for (Proceeds from) Other Investing Activities","description":"Amount of cash (inflow) outflow from investing activities classified as other.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":1009000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-352000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":-387000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":1417000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":1417000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1417000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":95000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":160000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":160000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":283000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":283000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":570000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":570000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":570000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":570000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":570000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":4000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":4000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":26000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":26000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":29000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":29000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":29000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":29000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":29000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":29000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":29000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-108000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-108000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-116000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-116000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-99000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-99000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":-134000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-134000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-134000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":754000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":11000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":99000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":99000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"PaymentsForRepurchaseOfRedeemableNoncontrollingInterest":{"label":"Payments for Repurchase of Redeemable Noncontrolling Interest","description":"The cash outflow during the period for redemption of redeemable noncontrolling interests.","units":{"USD":[{"start":"2010-08-01","end":"2010-08-31","val":8323000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-08-01","end":"2010-08-31","val":8323000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"PaymentsForSoftware":{"label":"Payments for Software","description":"The cash outflow associated with the development, modification or acquisition of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":48560000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-10-31","val":29080000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":10020000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":38160000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":38160000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":8351000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":18928000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":10577000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":34821000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":34821000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":15893000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":15893000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":36056000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":36056000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":2736000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":2736000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":4816000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":4816000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":2080000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":2080000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":8093000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":8093000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":3277000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":3277000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":11021000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":2313000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":5224000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":2911000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":7295000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":2071000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"PaymentsOfDebtExtinguishmentCosts":{"label":"Payment for Debt Extinguishment or Debt Prepayment Cost","description":"Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":20830000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":20830000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":20830000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":20830000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":20830000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":20830000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"PaymentsOfDebtIssuanceCosts":{"label":"Payments of Debt Issuance Costs","description":"The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.","units":{"USD":[{"start":"2009-02-01","end":"2009-07-31","val":4206000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":4576000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":6528000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":6528000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":6528000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-07-31","val":2153000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":2153000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":2153000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":2153000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":2153000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":2153000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2153000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2153000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2153000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-04-30","val":1112000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-04-30","val":1112000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-07-31","val":1098000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-07-31","val":1098000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":999000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":999000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":1745000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":1745000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1745000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"PaymentsOfDividends":{"label":"Payments of Dividends","description":"Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":6139000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-10-31","val":6027000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":6027000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":6027000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":6027000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2010-07-31","val":6106000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":6106000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":6106000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2010-10-31","val":6106000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-07-31","val":6165000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":6165000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":6165000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":6165000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2012-07-31","val":-6223000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-07-31","val":6223000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":6223000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2013-02-01","end":"2013-07-31","val":-6282000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"}]}},"PaymentsOfDividendsCommonStock":{"label":"Payments of Ordinary Dividends, Common Stock","description":"Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":6144000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":6165000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-07-31","val":6223000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":6223000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":6223000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-26","end":"2013-10-31","val":6282000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":6282000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":6314000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":6314000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"PaymentsOfDividendsMinorityInterest":{"label":"Payments of Ordinary Dividends, Noncontrolling Interest","description":"Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":567000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":998000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":998000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":2020000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":2020000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":2020000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2010-04-30","val":34000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":1719000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-07-31","val":1719000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-10-31","val":1719000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2010-10-31","val":1719000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":1719000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2011-02-01","end":"2011-04-30","val":157000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":157000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":157000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":2443000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":2443000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"PaymentsOfStockIssuanceCosts":{"label":"Payments of Stock Issuance Costs","description":"The cash outflow for cost incurred directly with the issuance of an equity security.","units":{"USD":[{"start":"2014-02-01","end":"2014-04-30","val":4497000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":4497000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-10-31","val":4497000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2015-01-31","val":4497000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":4497000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":4497000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":4497000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"PaymentsRelatedToTaxWithholdingForShareBasedCompensation":{"label":"Payment, Tax Withholding, Share-based Payment Arrangement","description":"Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.","units":{"USD":[{"start":"2011-02-01","end":"2011-10-31","val":1800000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":2035000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2035000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2035000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":2408000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":2450000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":3042000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":3042000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":3130000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":3130000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":3130000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":3130000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":2307000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":2307000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2487000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2487000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":2487000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":2487000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":2500000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2500000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":1759000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1759000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":1807000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":1807000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":1807000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":1807000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":3104000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":1140000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1151000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":1164000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"PaymentsToAcquireBusinessesNetOfCashAcquired":{"label":"Payments to Acquire Businesses, Net of Cash Acquired","description":"The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":9248000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":9248000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":3449000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":3449000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":3449000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":3449000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2012-02-01","end":"2013-01-31","val":888000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-02-01","end":"2013-01-31","val":888000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":888000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"PaymentsToAcquireIntangibleAssets":{"label":"Payments to Acquire Intangible Assets","description":"The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":39003000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-10-31","val":26792000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":36692000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":36692000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":6573000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":18387000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":27484000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":27484000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":34013000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":34013000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":4200000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":4200000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":5928000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":5928000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":9845000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":9845000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":12508000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":2313000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":6355000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":8425000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"PaymentsToAcquireProductiveAssets":{"label":"Payments to Acquire Productive Assets","description":"The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":100322000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-07-31","val":48055000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":19125000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":75301000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":27246000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":92665000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":92665000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":11443000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":31937000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":31937000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":20494000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":20494000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":48617000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":48617000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":16680000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":16680000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":62261000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":62261000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":8293000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":8293000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":18153000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":18153000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":9860000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":9860000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":30879000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":30883000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":12726000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":12730000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":41241000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":10870000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":17554000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":6684000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":27107000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":9553000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"PaymentsToAcquirePropertyPlantAndEquipment":{"label":"Payments to Acquire Property, Plant, and Equipment","description":"The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":42681000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":16752000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":21062000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":23551000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":23551000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":23551000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":5064000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":19718000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":15118000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":37706000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":27337000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":39228000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":39228000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":39228000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":39228000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":39228000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":3935000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":3935000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":26768000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":26768000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":36969000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":36969000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":45682000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":45682000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":45682000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":45682000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":45682000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":11790000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":11790000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":19561000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":19561000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":31371000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":31371000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":49728000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":49728000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":49728000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":49728000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":8543000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":8543000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":26332000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":26332000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":36545000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":36545000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":47140000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":47140000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":5887000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":5887000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":12241000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":12241000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":20989000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":20989000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":27005000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":2916000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":8575000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":17317000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"PaymentsToMinorityShareholders":{"label":"Payments to Noncontrolling Interests","description":"Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":8323000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":8323000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":8323000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":8323000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1168000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1168000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":13196000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":13196000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":13196000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":13196000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":13196000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":13196000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":1920000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1920000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1920000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":1920000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"PreferredStockDividendsAndOtherAdjustments":{"label":"Preferred Stock Dividends and Other Adjustments","description":"The aggregate value of preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":1946000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":5060000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":3114000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":8229000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":3169000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":11454000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":3282000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":6622000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":3340000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":10020000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":3398000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries":{"label":"Proceeds from Divestiture of Interest in Consolidated Subsidiaries","description":"The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":8707000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":4709000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":489000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":1647000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":4170000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":4170000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":4170000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":3189000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":3388000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":3388000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":4011000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":4011000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":5456000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":5456000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":5456000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":5456000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":5456000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1334000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":1334000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":1675000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":1675000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":1803000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":1803000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":2091000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":2091000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":2091000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":2091000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":2091000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":1449000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":1449000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":1592000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":1592000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":1671000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":1671000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":2502000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":2502000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":2502000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":2502000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":828000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":828000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2461000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2461000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":3345000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":3345000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":4241000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4241000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":49000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":49000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":89000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":89000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":89000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":89000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":93000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":65000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":130000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":179000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"ProceedsFromIssuanceOfConvertiblePreferredStock":{"label":"Proceeds from Issuance of Convertible Preferred Stock","description":"The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.","units":{"USD":[{"start":"2014-03-03","end":"2014-03-04","val":175000000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-03-04","val":175000000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-03-04","val":175000000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-03-04","val":175000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2014-03-04","val":175000000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2014-03-04","val":175000000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2014-03-04","val":175000000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-03-05","end":"2014-03-31","val":175000000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-03-05","end":"2014-03-31","val":175000000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-03-05","end":"2014-03-31","val":175000000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-03-05","end":"2014-03-31","val":175000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-03-05","end":"2014-03-31","val":175000000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"start":"2014-03-05","end":"2014-03-31","val":175000000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-03-05","end":"2014-03-31","val":175000000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q1I"}]}},"ProceedsFromIssuanceOfLongTermDebt":{"label":"Proceeds from Issuance of Long-term Debt","description":"The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":5667000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":56498000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":56498000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":56498000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":56498000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":56498000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":55000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":79000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":79000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":81000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":81000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":84000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":84000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":84000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":84000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":84000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":198000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":198000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":150213000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":150213000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":153988000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":153988000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":154744000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":154744000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":154744000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":154744000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":154744000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":556000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":556000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":1986000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":1986000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":3629000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":3629000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":200869000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":200869000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":200869000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":200869000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":14000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":14000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":550000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":550000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":639000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":639000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":4575000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4575000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":402974000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":402974000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":404427000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":404427000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":404644000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":404644000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":404343000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"}]}},"ProceedsFromIssuanceOfPreferredStockAndPreferenceStock":{"label":"Proceeds from Issuance of Preferred Stock and Preference Stock","description":"Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":175000000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":175000000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":175000000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":175000000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":175000000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":175000000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":175000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"}]}},"ProceedsFromLinesOfCredit":{"label":"Proceeds from Lines of Credit","description":"Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":183496000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-07-31","val":100766000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":228866000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":328894000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":328894000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":98628000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":209391000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":209391000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":307780000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":307780000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":438202000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":438202000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":57569000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":57569000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":123569000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":123569000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":183569000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":183569000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":290569000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":77000000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":149000000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":219000000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"ProceedsFromRepaymentsOfShortTermDebt":{"label":"Proceeds from (Repayments of) Short-term Debt","description":"The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":1777000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":-2124000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":907000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":831000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":831000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":831000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":963000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":548000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":548000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":782000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":782000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":-9901000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":-9901000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-9901000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-9901000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-9901000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":57000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":57000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":-2333000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":-2333000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":-6588000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":-6588000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":-6353000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":-6353000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":-6353000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":-6353000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":-6353000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":-18000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":-18000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-10-31","val":10000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":10000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":174000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":174000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":174000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":174000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":-2000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-2000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":441000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":441000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":1031000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":1031000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":6701000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":6701000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":-918000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-918000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-728000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-728000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":2472000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":2472000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":44770000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":21358000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":541000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":-9404000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"ProceedsFromSaleAndCollectionOfReceivables":{"label":"Proceeds from Sale and Collection of Receivables","description":"The cash inflow associated with the proceeds from sale and collection of receivables during the period.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":3405000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"}]}},"ProceedsFromSaleOfPropertyPlantAndEquipment":{"label":"Proceeds from Sale of Property, Plant, and Equipment","description":"The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":4519000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":10949000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":11877000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":13649000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":13649000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":13649000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":488000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":797000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":797000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":1280000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":1280000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":2480000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":2480000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":2480000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":2480000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":2480000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":906000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":906000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":2685000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":2685000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":4706000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":4706000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":5020000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":5020000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":5020000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":5020000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":5020000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":1786000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":1786000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":2332000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":2332000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":2484000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":2484000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":3475000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":3475000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":3475000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":3475000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":969000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":969000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":1884000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":1884000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":3583000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":3583000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":3832000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":3832000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":1741000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1741000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":2388000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":2388000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":4058000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":4058000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":5743000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":1166000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":2456000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":4161000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"ProfitLoss":{"label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","description":"The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-2520000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":23287000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":13407000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":43754000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":20467000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":45500000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":45500000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":45500000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":10741000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":31568000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":31568000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":20827000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":20827000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":59320000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":59320000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":27752000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":27752000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":74623000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":74623000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":74623000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":74623000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":74623000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":10510000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":10510000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":35348000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":35348000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":24838000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":24838000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":65658000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":65658000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":30310000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":30310000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":78998000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":78998000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":78998000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":78998000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":78998000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":14230000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":14230000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":14230000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":34447000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":34447000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":20217000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":20217000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":20217000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":47316000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":47316000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":12869000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":12869000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":12869000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":-94040000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-94040000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-94040000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":-94040000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":-141356000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":-10864000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":-10864000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":-10864000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2013-02-01","end":"2013-04-30","val":-10864000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-14370000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-14370000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-3506000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":-3506000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":-3506000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-3506000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-21675000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-21675000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-7305000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":-7305000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":-7305000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":-8903000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-70922000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-78133000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":-49247000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-11-01","end":"2014-01-31","val":-54860000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":-42739000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":-43369000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":-43369000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-56917000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-62525000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-14178000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-19156000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":-19156000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-92181000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-97482000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-35264000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-34957000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":-34957000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":-202561000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":-105079000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":-35382000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-106010000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-70628000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-138038000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-32028000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"PropertyPlantAndEquipmentGross":{"label":"Property, Plant and Equipment, Gross","description":"Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2011-01-31","val":382284000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":382284000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2012-01-31","val":420539000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":420539000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":420539000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":420539000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":463265000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":463265000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":463265000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":456090000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":456090000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":476810000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"PropertyPlantAndEquipmentNet":{"label":"Property, Plant and Equipment, Net","description":"Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2010-01-31","val":180422000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":180422000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":180422000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":187086000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":197919000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":175700000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":175700000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":175700000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":175700000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":175700000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":175700000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":205014000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":208944000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":205594000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":216299000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011Q4I"},{"end":"2012-04-30","val":232566000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":233720000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":245805000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":242898000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":242898000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":242898000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":242898000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":242898000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":242898000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":242898000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2013-04-30","val":240014000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":238749000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":233738000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":222036000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":222036000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":222036000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":222036000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":222036000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":220476000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":215256000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":207696000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":195523000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":195523000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":195523000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":195523000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":190206000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":177351000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":167660000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"ProvisionForDoubtfulAccounts":{"label":"Accounts Receivable, Credit Loss Expense (Reversal)","description":"Amount of expense (reversal of expense) for expected credit loss on accounts receivable.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":8625000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":867000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":1828000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":3507000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":3507000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":3507000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":730000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":2451000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":2451000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":3901000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":3901000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":4361000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":4361000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":4361000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":4361000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":4361000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1089000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":1089000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":2736000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":2736000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":4474000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":4474000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":6863000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":6863000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":6863000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":6863000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":6863000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":62000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":62000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":449000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":449000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":978000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":978000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":4507000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":4507000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":4507000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":4507000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":1470000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1470000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2814000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2814000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":4220000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":4220000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":16559000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":17071000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":2077000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":2077000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":3245000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":3245000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":4328000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":4328000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":9607000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":125000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-97000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":299000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"QuantifyingMisstatementInCurrentYearFinancialStatementsAmount":{"label":"Quantifying Misstatement in Current Year Financial Statements, Amount","description":"Amount of each individual error being corrected in the correcting adjustment.","units":{"USD":[{"start":"2012-02-01","end":"2012-07-31","val":47516000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":27142000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":75329000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":27813000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2013-02-01","end":"2013-04-30","val":20374000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1"}]}},"ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax":{"label":"Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax","description":"Amount before tax of reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":-591000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-387000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-494000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":97000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-3325000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":74000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-13000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-13000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-87000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-87000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-311000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-311000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-298000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-298000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":1282000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-55000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-269000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-214000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-519000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-250000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax":{"label":"Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax","description":"Amount after tax of reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2013-02-01","end":"2013-07-31","val":-421000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":-283000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":-346000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":75000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":-2402000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":53000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":-10000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":-10000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-63000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":-63000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-234000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":-234000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-224000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":-224000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":934000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":-35000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":-193000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-158000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-383000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-190000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"ReclassificationFromAociCurrentPeriodTax":{"label":"Reclassification from AOCI, Current Period, Tax","description":"Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss).","units":{"USD":[{"start":"2014-02-01","end":"2014-07-31","val":-3000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":-24000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":-77000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":-74000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2015-02-01","end":"2015-07-31","val":-76000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":-56000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":-136000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":-60000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"RedeemableNoncontrollingInterestEquityCarryingAmount":{"label":"Redeemable Noncontrolling Interest, Equity, Carrying Amount","description":"As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.","units":{"USD":[{"end":"2010-08-26","val":13985000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3I"},{"end":"2010-08-26","val":13985000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"RepaymentsOfLinesOfCredit":{"label":"Repayments of Lines of Credit","description":"Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":251964000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-07-31","val":71640000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":154705000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":306851000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":306851000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":98586000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":173959000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":173959000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":231985000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":231985000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":269895000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":269895000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":201343000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":201343000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":294343000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":294343000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":356387000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":356387000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":498387000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":43000000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":121000000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":121000000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"RepaymentsOfLongTermCapitalLeaseObligations":{"label":"Repayments of Long-term Capital Lease Obligations","description":"The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":23388000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":10737000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":17615000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":22754000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":22754000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":22754000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":7086000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":10389000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":10389000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":14797000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":14797000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":19202000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":19202000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":19202000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":19202000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":19202000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":4373000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":4373000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":10099000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":10099000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":12039000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":12039000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":18824000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":18824000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":18824000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":18824000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":18824000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":5506000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":5506000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":9759000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":9759000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":13757000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":13757000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":17384000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":17384000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":17384000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":17384000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":4355000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":4355000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":7882000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":7882000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":10168000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":10168000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":12682000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":12682000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":4417000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":4417000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":7915000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":7915000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":10770000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":10770000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":13907000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":3463000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":6470000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":9449000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"RepaymentsOfLongTermDebt":{"label":"Repayments of Long-term Debt","description":"The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":34143000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":36956000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":36938000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":70465000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":70465000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":70465000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":300000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":37891000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":37891000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":37997000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":37997000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":68169000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":68169000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":68169000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":68169000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":68169000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":1787000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":1787000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":34595000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":34595000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":35286000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":35286000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":36133000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":36133000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":36133000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":36133000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":36133000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":10072000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":10072000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":11045000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":11045000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":21180000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":21180000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":205000000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":205000000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":205000000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":205000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":3501000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":3501000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":4617000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":4617000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":5514000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":5514000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":5342000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":5342000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":202063000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":202063000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":203162000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":203162000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":203517000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":203517000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":205143000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":1937000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":3300000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":5321000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"RepaymentsOfSeniorDebt":{"label":"Repayments of Senior Debt","description":"The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.","units":{"USD":[{"start":"2013-02-01","end":"2014-01-31","val":200000000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013"}]}},"RestrictedCashAndCashEquivalents":{"label":"Restricted Cash and Cash Equivalents","description":"Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2014-01-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":50025000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":44378000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":32801000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":29068000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":29068000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":29068000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":29068000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":33742000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":34610000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":34104000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"RestructuringCharges":{"label":"Restructuring Charges","description":"Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.","units":{"USD":[{"start":"2011-02-01","end":"2011-04-30","val":4849000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":8332000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":3483000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2"}]}},"RestructuringCosts":{"label":"Restructuring Costs","description":"Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":2867000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2010-01-31","val":373548000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":373548000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":373548000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":396385000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":422808000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":437307000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":437307000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":437307000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":437307000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":437307000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":437307000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":446050000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":462758000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":491294000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":503675000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":503675000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":503675000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":503675000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":503675000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":503675000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":503675000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":516561000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":529221000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":539769000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":396946000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":396946000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":396946000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":396946000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":396946000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":396946000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":384528000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":373802000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":364727000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":313974000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":313974000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":313974000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":313974000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":307338000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":268846000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":248788000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":211624000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":92664000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":92664000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":92664000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":92664000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":56091000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":-17978000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":-54081000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"SalesRevenueServicesNet":{"label":"Sales Revenue, Services, Net (Deprecated 2018-01-31)","description":"Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":4543717000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":1608858000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":840502000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":2576056000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":967198000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":3567522000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":3567522000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":3567522000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":1055156000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2010-02-01","end":"2010-04-30","val":1055156000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2010-04-30","val":1055156000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":2206246000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":2206246000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":1151090000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":1151090000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":1151090000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-05-01","end":"2010-07-31","val":1151090000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":3404650000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":3404650000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":1198404000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":1198404000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":1198404000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-08-01","end":"2010-10-31","val":1198404000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":4549773000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":4549773000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":4549773000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":4549773000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":4549773000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2010-11-01","end":"2011-01-31","val":1145123000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-11-01","end":"2011-01-31","val":1145123000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4"},{"start":"2011-02-01","end":"2011-04-30","val":1198705000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":1198705000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2011-04-30","val":1198705000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2011-04-30","val":1198705000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2011-02-01","end":"2011-04-30","val":1198705000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2011-04-30","val":1198705000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":2496063000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":2496063000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":1297358000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":1297358000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-05-01","end":"2011-07-31","val":1297358000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-05-01","end":"2011-07-31","val":1297358000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":1297358000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-05-01","end":"2011-07-31","val":1297358000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":3760599000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":3760599000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":1264536000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":1264536000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-08-01","end":"2011-10-31","val":1264536000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-08-01","end":"2011-10-31","val":1264536000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":1264536000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-08-01","end":"2011-10-31","val":1264536000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":4914221000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":4914221000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":4914221000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":4914221000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":4914221000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2011-11-01","end":"2012-01-31","val":1153622000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-11-01","end":"2012-01-31","val":1153622000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-11-01","end":"2012-01-31","val":1153622000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-11-01","end":"2012-01-31","val":1153622000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4"},{"start":"2012-02-01","end":"2012-04-30","val":1148283000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":1168657000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2012-02-01","end":"2012-04-30","val":1168657000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":2304071000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":2351587000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":1155788000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":1182930000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":1182930000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":3432937000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":3508266000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1128866000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1156679000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":1156679000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":4607521000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":4607521000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":4607521000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":4607521000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":1099255000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":1080653000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":1080653000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2013-04-30","val":1080653000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2013-02-01","end":"2013-04-30","val":1080653000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":2210071000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":2210071000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":1129418000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":1129418000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-05-01","end":"2013-07-31","val":1129418000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":1129418000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":3364477000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":3364477000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1154406000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":1154406000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-08-01","end":"2013-10-31","val":1154406000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":1153756000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":4440880000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":4435580000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2013-11-01","end":"2014-01-31","val":1076403000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-11-01","end":"2014-01-31","val":1071753000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4"},{"start":"2014-02-01","end":"2014-04-30","val":1044988000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":1043888000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-02-01","end":"2014-04-30","val":1043888000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":2136234000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":2138033000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":1091246000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":1094145000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-05-01","end":"2014-07-31","val":1094145000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":3214513000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":3215212000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":1078279000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":1077179000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"start":"2014-08-01","end":"2014-10-31","val":1077179000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":4179775000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2014-11-01","end":"2015-01-31","val":964563000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4"},{"start":"2015-02-01","end":"2015-04-30","val":973317000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":1887245000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":913928000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":2771956000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":884711000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"SegmentReportingInformationAssets":{"label":"Segment Reporting Information, Assets (Deprecated 2011-01-31)","description":"Amount of total assets attributed to the reportable segment.","units":{"USD":[{"end":"2010-07-31","val":2159000000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2I"},{"end":"2011-07-31","val":2358953000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"}]}},"SegmentReportingInformationExpendituresForAdditionsToLongLivedAssets":{"label":"Segment Reporting Information, Expenditures for Additions to Long-Lived Assets (Deprecated 2011-01-31)","description":"Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment.","units":{"USD":[{"start":"2010-02-01","end":"2010-07-31","val":24585000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":14408000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2011-02-01","end":"2011-07-31","val":58088000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":23273000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2"}]}},"SeveranceCosts":{"label":"Severance Costs (Deprecated 2013-01-31)","description":"The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.","units":{"USD":[{"start":"2011-02-01","end":"2011-07-31","val":6418000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":10024000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":4375000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-02-01","end":"2009-10-31","val":6354000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":8274000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":8274000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":8274000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":1683000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":4062000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":4062000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":6396000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":6396000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":8746000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":3698000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":3698000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":7368000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":7368000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":11302000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":11302000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":15413000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":3569000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":3569000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":7050000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":7050000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":3481000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":11689000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":11689000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":4639000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":14556000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":3366000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":3366000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":6869000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":6869000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":3503000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":3503000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":9782000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":9782000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2913000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2913000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":13869000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":13869000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":3385000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":3385000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":6927000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":6927000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":3542000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":3542000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":10365000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":10365000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":3438000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":3438000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":12838000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":1851000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":4459000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":2608000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":7159000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":2700000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate","description":"The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.004,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.004,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.005,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.005,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.005,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.005,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":0.003,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.003,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.003,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.003,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.003,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":0.003,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":0.003,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":0.003,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":0.003,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0.004,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":0.004,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31)","description":"The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.","units":{"Y":[{"start":"2009-02-01","end":"2010-01-31","val":7,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2009-02-01","end":"2010-01-31","val":7,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":7,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2010-02-01","end":"2011-01-31","val":7,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":5.9,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2011-02-01","end":"2012-01-31","val":5.9,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate","description":"The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.44,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.44,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.43,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.43,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.43,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.43,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":0.44,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.44,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.44,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.44,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.44,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":0.42,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":0.42,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":0.42,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":0.42,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0.46,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":0.46,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate","description":"The risk-free interest rate assumption that is used in valuing an option on its own shares.","units":{"pure":[{"start":"2009-02-01","end":"2010-01-31","val":0.03,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":0.03,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":0.03,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":0.02,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":0.02,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":0.02,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":0.02,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":0.02,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":0.02,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":0.02,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":0.02,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":0.02,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":0.01,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":0.01,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"}]}},"ShortTermBorrowings":{"label":"Short-term Debt","description":"Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2010-01-31","val":8032000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":8032000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":8032000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":10195000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":5696000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":7238000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":7238000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":7238000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":7238000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":7238000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":7238000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":7724000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":5298000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":879000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":1019000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":1019000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":1019000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":1019000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":1019000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":1019000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":1019000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":984000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":967000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":968000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":1129000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1129000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":1129000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":1129000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":1129000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":1129000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":1132000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":1514000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":2017000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":7551000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":7551000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":7551000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":7551000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":7551000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":6718000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":6903000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":10037000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":52825000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":52825000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":52825000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":52825000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":74336000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":70417000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":48515000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"ShortTermDebtWeightedAverageInterestRate":{"label":"Short-term Debt, Weighted Average Interest Rate, at Point in Time","description":"Weighted average interest rate of short-term debt outstanding calculated at point in time.","units":{"pure":[{"end":"2012-01-31","val":0.01,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":0.01,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":0.011,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":0.011,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":0.011,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2014-01-31","val":0.03,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":0.03,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":0.088,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"ShorttermDebtAverageOutstandingAmount":{"label":"Short-term Debt, Average Outstanding Amount","description":"For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":8168000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":8168000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":4727000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":4727000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":4727000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":4727000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":1122000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1122000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1122000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":2325000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":2325000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":14900000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit":{"label":"Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit","description":"The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.","units":{"USD":[{"end":"2011-07-31","val":1084000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":1287000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":2260000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":2260000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011Q4I"},{"end":"2012-04-30","val":2032000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":2032000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":2777000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":2552000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":2552000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-04-30","val":2005000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":2005000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":-266000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":666000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2013Q4I"},{"end":"2014-04-30","val":530000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2015-01-31","val":150000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2010-01-31","val":791375000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":791375000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":791375000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2009Q4I"},{"end":"2010-07-31","val":822844000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2010Q2I"},{"end":"2010-10-31","val":880691000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2010Q3I"},{"end":"2011-01-31","val":887075000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":887075000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":887075000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":887075000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":887075000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":887075000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-04-30","val":943122000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2011Q1I"},{"end":"2011-07-31","val":952758000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":933839000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":938765000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":938765000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":938765000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":938765000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":938765000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":938765000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":938765000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-04-30","val":954450000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1I"},{"end":"2012-07-31","val":945712000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2012Q2I"},{"end":"2012-10-31","val":958110000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3I"},{"end":"2013-01-31","val":809835000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":809835000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":809835000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":809835000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":809835000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":809835000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":799445000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":771787000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":768917000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":688419000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":688419000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":688419000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":688419000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":681919000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":706914000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":689750000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"},{"end":"2014-10-31","val":636771000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2014Q3I"},{"end":"2015-01-31","val":488405000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":488405000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":488405000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":488405000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":453793000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":351250000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":300085000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest":{"label":"Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest","description":"Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.","units":{"USD":[{"end":"2008-01-31","val":795489000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2007Q4I"},{"end":"2009-01-31","val":692970000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2009-01-31","val":692970000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2009-01-31","val":692970000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2008Q4I"},{"end":"2010-01-31","val":814282000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-01-31","val":814282000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-01-31","val":814282000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2010-01-31","val":814282000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2010-01-31","val":814282000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2010-01-31","val":814282000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":814282000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2010-01-31","val":814282000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2010-01-31","val":814282000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2009Q4I"},{"end":"2010-07-31","val":847650000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"end":"2010-07-31","val":847650000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2I"},{"end":"2010-10-31","val":893241000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"end":"2010-10-31","val":893241000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3I"},{"end":"2011-01-31","val":900164000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"end":"2011-01-31","val":900164000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-01-31","val":900164000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2011-01-31","val":900164000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2010Q4I"},{"end":"2011-04-30","val":958845000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"end":"2011-04-30","val":958845000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1I"},{"end":"2011-07-31","val":970264000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-07-31","val":970264000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2I"},{"end":"2011-10-31","val":948154000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-10-31","val":948154000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3I"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2012-01-31","val":951508000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2011Q4I"},{"end":"2012-04-30","val":968247000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"end":"2012-04-30","val":968247000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1I"},{"end":"2012-07-31","val":957827000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"end":"2012-07-31","val":957827000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2I"},{"end":"2012-10-31","val":972032000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"end":"2012-10-31","val":972032000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3I"},{"end":"2013-01-25","val":824182000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2012Q4I"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2013-01-31","val":824182000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2013-04-30","val":815253000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-04-30","val":815253000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1I"},{"end":"2013-07-31","val":785371000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-07-31","val":785371000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2I"},{"end":"2013-10-31","val":784165000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-10-31","val":784165000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3I"},{"end":"2014-01-31","val":702737000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":702737000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":702737000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-01-31","val":702737000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-01-31","val":695707000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2014-01-31","val":695707000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2014-01-31","val":695707000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2014-01-31","val":695707000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2013Q4I"},{"end":"2014-04-30","val":722412000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-04-30","val":714629000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1I"},{"end":"2014-07-31","val":707919000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"end":"2014-07-31","val":695155000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2I"},{"end":"2014-10-31","val":651809000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"end":"2014-10-31","val":639491000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3I"},{"end":"2015-01-31","val":500987000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01"},{"end":"2015-01-31","val":500987000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08"},{"end":"2015-01-31","val":500987000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"end":"2015-01-31","val":500987000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q4I"},{"end":"2015-04-30","val":464009000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1I"},{"end":"2015-07-31","val":360138000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2I"},{"end":"2015-10-31","val":308942000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3I"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":1093000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":975000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":975000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":975000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":712000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":712000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":712000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":712000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":712000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":235000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":235000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":235000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":235000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":235000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":292000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":292000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":292000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":292000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":281000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":281000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":93000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"StockIssuedDuringPeriodValueShareBasedCompensation":{"label":"Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture","description":"Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).","units":{"USD":[{"start":"2010-02-01","end":"2010-07-31","val":7510000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":10508000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-04-30","val":5430000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":9527000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-07-31","val":9527000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-10-31","val":13535000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2011-10-31","val":13535000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2012-02-01","end":"2012-04-30","val":5275000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":8775000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-10-31","val":13369000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"}]}},"StockIssuedDuringPeriodValueStockOptionsExercised":{"label":"Stock Issued During Period, Value, Stock Options Exercised","description":"Value of stock issued as a result of the exercise of stock options.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":3617000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2010-01-31","val":3195000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":3195000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":3195000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":4742000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":4742000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":4742000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":4742000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":4742000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":1856000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1856000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1856000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1856000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":1856000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":2210000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":2210000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":2210000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":2210000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":3960000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":3960000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"}]}},"TemporaryEquityAccretionOfDividends":{"label":"Temporary Equity, Accretion of Dividends","description":"Value of accretion of temporary equity during the period due to unpaid dividends.","units":{"USD":[{"start":"2014-02-01","end":"2014-04-30","val":1946000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":5060000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":5060000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":8229000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":8229000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":11454000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":3282000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":6622000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":10020000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"TemporaryEquityValueExcludingAdditionalPaidInCapital":{"label":"Temporary Equity, Par Value","description":"Carrying amount of the par value of temporary equity outstanding. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2014-04-30","val":170503000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2014-07-31","val":175563000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2I"}]}},"UndistributedEarningsOfForeignSubsidiaries":{"label":"Undistributed Earnings of Foreign Subsidiaries","description":"Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.","units":{"USD":[{"end":"2012-01-31","val":217454000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":217454000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":193828000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":193828000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2014-01-31","val":322666000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":322666000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":893637000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2009-01-31","val":7083000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2009-01-31","val":7083000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2008Q4I"},{"end":"2010-01-31","val":8234000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2010-01-31","val":8234000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2010-01-31","val":8234000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2010-01-31","val":8234000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2009Q4I"},{"end":"2011-01-31","val":5508000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":5508000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":5508000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":5508000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2011-01-31","val":5508000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2011-01-31","val":5508000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2011-01-31","val":5508000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2010Q4I"},{"end":"2011-07-31","val":5752000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":6930000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":7769000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":7769000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":7769000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":7769000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2012-01-31","val":7769000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2012-01-31","val":7769000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2011Q4I"},{"end":"2013-01-31","val":8589000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":8589000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":8589000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2013-01-31","val":8589000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012Q4I"},{"end":"2014-01-31","val":4202000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":4202000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2015-01-31","val":6872000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities","description":"Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.","units":{"USD":[{"start":"2012-05-01","end":"2012-07-31","val":329000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":329000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":329000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":329000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":329000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":329000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2013-10-31","val":3180000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":528000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":528000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions","description":"Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":1282000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":1282000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":533000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":533000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":533000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":533000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":1169000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1169000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":1169000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":1169000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":1169000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":2000000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":2000000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":2000000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":2000000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":800000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":800000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":2480000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation":{"label":"Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation","description":"Amount of increase in unrecognized tax benefits resulting from foreign currency translation.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":80000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":80000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2012-01-31","val":23000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":23000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":23000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":-40000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":-40000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":-40000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":40000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-8000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":8000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":1000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions","description":"Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.","units":{"USD":[{"start":"2011-02-01","end":"2012-01-31","val":3000000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":3000000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":3000000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":3000000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":3000000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2013-01-31","val":652000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":652000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":652000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":652000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2014-01-31","val":-2652000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-2652000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":721000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued":{"label":"Unrecognized Tax Benefits, Interest on Income Taxes Accrued","description":"Amount of interest expense accrued for an underpayment of income taxes.","units":{"USD":[{"end":"2011-01-31","val":1626000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"end":"2011-01-31","val":1626000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"end":"2011-01-31","val":1626000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":1626000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-07-31","val":2036000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":2106000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":1647000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":1647000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":1647000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":1647000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":1895000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":1895000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":1895000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":1895000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":1895000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":1895000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":2071000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":2266000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":1922000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":1857000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":1857000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":1857000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":2023000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2015-01-31","val":2166000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense":{"label":"Unrecognized Tax Benefits, Interest on Income Taxes Expense","description":"Amount of interest expense for an underpayment of income taxes.","units":{"USD":[{"start":"2010-02-01","end":"2011-01-31","val":842000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":842000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":842000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":842000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-07-31","val":337000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2012-01-31","val":637000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":637000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":637000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":637000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":637000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":206000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":218000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":206000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":615000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":203000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":813000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":813000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":813000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":813000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":221000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":221000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":439000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":216000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2"},{"start":"2013-02-01","end":"2013-10-31","val":657000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":218000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":888000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":888000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":161000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2015-01-31","val":639000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"UnrecognizedTaxBenefitsPeriodIncreaseDecrease":{"label":"Unrecognized Tax Benefits, Period Increase (Decrease)","description":"Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.","units":{"USD":[{"start":"2008-02-01","end":"2009-01-31","val":-1761000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-10-31","val":256000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-02-01","end":"2010-01-31","val":629000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":629000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":629000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":145000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":135000,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":135000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-02-01","end":"2010-10-31","val":-1491000,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":-1491000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-02-01","end":"2011-01-31","val":-3699000,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":-3699000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":-3699000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":-3699000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":-3699000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":168000,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":168000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":337000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":337000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-02-01","end":"2011-10-31","val":391000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":391000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-02-01","end":"2012-01-31","val":335000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":335000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":335000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":335000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":335000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":206000,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":206000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":-250000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":-250000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-02-01","end":"2012-10-31","val":-1136000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":-1136000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-02-01","end":"2013-01-31","val":469000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":469000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":469000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2012-02-01","end":"2013-01-31","val":469000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":298000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":298000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":-148000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":-148000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-01-26","end":"2013-10-31","val":-4000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":-4000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":-1532000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":-1532000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":180000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":180000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":343000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":343000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-02-01","end":"2014-10-31","val":792000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":792000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-02-01","end":"2015-01-31","val":3037000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":210000,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":411000,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-02-01","end":"2015-10-31","val":610000,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"}]}},"UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations":{"label":"Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations","description":"Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.","units":{"USD":[{"start":"2009-02-01","end":"2010-01-31","val":653000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":653000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2011-01-31","val":3339000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":3339000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010"},{"start":"2011-02-01","end":"2011-10-31","val":-80000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2012-01-31","val":1931000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":1931000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2011"},{"start":"2012-05-01","end":"2012-07-31","val":333000,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":333000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":1106000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":773000,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":1463000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":1463000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":1463000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":357000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":357000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-11-01","end":"2013-01-31","val":357000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-10-31","val":1738000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-02-01","end":"2014-01-31","val":1999000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":1999000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2015-01-31","val":530000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate":{"label":"Unrecognized Tax Benefits that Would Impact Effective Tax Rate","description":"The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.","units":{"USD":[{"end":"2011-01-31","val":5244000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2011-01-31","val":5244000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-07-31","val":5488000,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2011Q2I"},{"end":"2011-10-31","val":6666000,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2011Q3I"},{"end":"2012-01-31","val":7096000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":7096000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":7096000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":7096000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2013-01-31","val":8296000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2013-01-31","val":8296000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"end":"2013-01-31","val":8296000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"end":"2013-01-31","val":8296000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"end":"2013-01-31","val":8296000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"end":"2013-01-31","val":8296000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012Q4I"},{"end":"2013-04-30","val":7922000,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2013Q1I"},{"end":"2013-07-31","val":7699000,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2013Q2I"},{"end":"2013-10-31","val":3922000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2013Q3I"},{"end":"2014-01-31","val":4202000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"end":"2014-01-31","val":4202000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"end":"2014-01-31","val":4202000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013Q4I"},{"end":"2014-04-30","val":4289000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2014Q1I"},{"end":"2015-01-31","val":6872000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014Q4I"}]}},"ValuationAllowanceAmount":{"label":"Valuation Allowance, Amount (Deprecated 2013-01-31)","description":"The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.","units":{"USD":[{"end":"2011-01-31","val":24735000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2010Q4I"},{"end":"2011-01-31","val":24735000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2012-01-31","val":43511000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2011Q4I"},{"end":"2012-01-31","val":43511000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"end":"2012-01-31","val":43511000,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"end":"2012-01-31","val":43511000,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"end":"2013-01-31","val":89436000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4I"},{"end":"2013-01-31","val":89436000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"}]}},"ValuationAllowancesAndReservesPeriodIncreaseDecrease":{"label":"SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease)","description":"Amount of increase (decrease) in valuation and qualifying accounts and reserves.","units":{"USD":[{"start":"2012-02-01","end":"2013-01-31","val":45925000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2012-11-01","end":"2013-01-31","val":25797000,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-11-01","end":"2013-01-31","val":25797000,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2012Q4"},{"start":"2013-02-01","end":"2013-04-30","val":5000000,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":6098000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":1098000,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":6098000,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":18342000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":2309000,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":48651000,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":50103000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2015-01-31","val":46960000,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"}]}},"WeightedAverageNumberDilutedSharesOutstandingAdjustment":{"label":"Weighted Average Number Diluted Shares Outstanding Adjustment","description":"The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.","units":{"shares":[{"start":"2013-02-01","end":"2013-04-30","val":104027228,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":104310510,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":104608931,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":104450366,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":104746663,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":104527949,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":105311631,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":105630546,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":105825063,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":106024595,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":105901067,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":106052511,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"WeightedAverageNumberOfDilutedSharesOutstanding":{"label":"Weighted Average Number of Shares Outstanding, Diluted","description":"The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.","units":{"shares":[{"start":"2008-02-01","end":"2009-01-31","val":99406664,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":100963105,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":100956130,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":101205008,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":101282940,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":101458179,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":101458179,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":101458179,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":101528328,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":101702457,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":101702457,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":101707067,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":101707067,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":101866470,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":101866470,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":102016552,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":102016552,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":102222037,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":102222037,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":102222037,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":102222037,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":102222037,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":104015880,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":104015880,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":103462353,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":103462353,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":103580890,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":103580890,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":103460757,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":103460757,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":103410669,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":103410669,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":103446381,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":103446381,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":103446381,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":103446381,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":103446381,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":103947963,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":103947963,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":103920826,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":103920826,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":103893040,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":103893040,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":103947047,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":103947047,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":103953783,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":103953783,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":103544171,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":103544171,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":103544171,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":104027228,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":104027228,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":104310510,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":104310510,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":104608931,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":104608931,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":104450366,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":104450366,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":104746663,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":104746663,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":104527949,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":104527949,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":105311631,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":105630546,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":105825063,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":106024595,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":105901067,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":106052511,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"WeightedAverageNumberOfShareOutstandingBasicAndDiluted":{"label":"Weighted Average Number of Shares Outstanding, Basic and Diluted","description":"Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).","units":{"shares":[{"start":"2012-02-01","end":"2013-01-31","val":103544171,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2012"},{"start":"2013-01-26","end":"2013-10-31","val":104450366,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":104746663,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":104527949,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":105311631,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":105630546,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":105825063,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":106024595,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":105901067,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":106052511,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"WeightedAverageNumberOfSharesContingentlyIssuable":{"label":"Weighted Average Number of Shares, Contingently Issuable","description":"Shares issuable for little or no cash consideration upon the satisfaction of certain conditions (contingently issuable shares) are considered outstanding common shares and included in the computation of basic Earnings Per Share as of the date that all necessary conditions have been satisfied (in essence, when issuance of the shares is no longer contingent). Outstanding common shares that are contingently returnable (that is, subject to recall) are treated in the same manner as contingently issuable shares. Contingently issuable shares include shares that (a) will be issued in the future upon the satisfaction of specified conditions, (b) have been placed in escrow and all or part must be returned if specified conditions are not met, or (c) have been issued but the holder must return all or part if specified conditions are not met. The number of contingently issuable shares is determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period.","units":{"shares":[{"start":"2013-02-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":0,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":0,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":0,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":0,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"WeightedAverageNumberOfSharesIssuedBasic":{"label":"Weighted Average Number of Shares Issued, Basic","description":"This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic).","units":{"shares":[{"start":"2013-02-01","end":"2013-04-30","val":104027228,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":104310510,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":104608931,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":104450366,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-08-01","end":"2013-10-31","val":104746663,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":104527949,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":105311631,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":105630546,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":105825063,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":106024595,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":105901067,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":106052511,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2008-02-01","end":"2009-01-31","val":99406664,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30","frame":"CY2008"},{"start":"2009-02-01","end":"2009-07-31","val":99796544,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2009-05-01","end":"2009-07-31","val":99930796,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03","frame":"CY2009Q2"},{"start":"2009-02-01","end":"2009-10-31","val":99888487,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2009-08-01","end":"2009-10-31","val":100066261,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03","frame":"CY2009Q3"},{"start":"2009-02-01","end":"2010-01-31","val":99878211,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2009-02-01","end":"2010-01-31","val":99878211,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2009-02-01","end":"2010-01-31","val":99878211,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11","frame":"CY2009"},{"start":"2010-02-01","end":"2010-04-30","val":100071923,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06","frame":"CY2010Q1"},{"start":"2010-02-01","end":"2010-07-31","val":100360009,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-02-01","end":"2010-07-31","val":100360009,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2010-05-01","end":"2010-07-31","val":100631550,"accn":"0000950123-10-083815","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-09-03"},{"start":"2010-05-01","end":"2010-07-31","val":100631550,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08","frame":"CY2010Q2"},{"start":"2010-02-01","end":"2010-10-31","val":100487558,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-02-01","end":"2010-10-31","val":100487558,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2010-08-01","end":"2010-10-31","val":100736378,"accn":"0000950123-10-110877","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-12-03"},{"start":"2010-08-01","end":"2010-10-31","val":100736378,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05","frame":"CY2010Q3"},{"start":"2010-02-01","end":"2011-01-31","val":100577194,"accn":"0000950123-11-030927","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-30"},{"start":"2010-02-01","end":"2011-01-31","val":100577194,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2010-02-01","end":"2011-01-31","val":100577194,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2010-02-01","end":"2011-01-31","val":100577194,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2010-02-01","end":"2011-01-31","val":100577194,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26","frame":"CY2010"},{"start":"2011-02-01","end":"2011-04-30","val":102110811,"accn":"0000950123-11-057010","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-06-06"},{"start":"2011-02-01","end":"2011-04-30","val":102110811,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08","frame":"CY2011Q1"},{"start":"2011-02-01","end":"2011-07-31","val":102389521,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-02-01","end":"2011-07-31","val":102389521,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2011-05-01","end":"2011-07-31","val":102660019,"accn":"0000950123-11-083364","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-09-08"},{"start":"2011-05-01","end":"2011-07-31","val":102660019,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-02-01","end":"2011-10-31","val":102514547,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-02-01","end":"2011-10-31","val":102514547,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2011-08-01","end":"2011-10-31","val":102755296,"accn":"0001193125-11-330596","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-12-05"},{"start":"2011-08-01","end":"2011-10-31","val":102755296,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10","frame":"CY2011Q3"},{"start":"2011-02-01","end":"2012-01-31","val":102586527,"accn":"0001193125-12-139562","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-29"},{"start":"2011-02-01","end":"2012-01-31","val":102586527,"accn":"0001193125-12-158991","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-04-11"},{"start":"2011-02-01","end":"2012-01-31","val":102586527,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2011-02-01","end":"2012-01-31","val":102586527,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2011-02-01","end":"2012-01-31","val":102586527,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2011"},{"start":"2012-02-01","end":"2012-04-30","val":103003684,"accn":"0001193125-12-264259","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-06-08"},{"start":"2012-02-01","end":"2012-04-30","val":103003684,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07","frame":"CY2012Q1"},{"start":"2012-02-01","end":"2012-07-31","val":103323012,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-02-01","end":"2012-07-31","val":103323012,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2012-05-01","end":"2012-07-31","val":103609889,"accn":"0001193125-12-384567","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-09-07"},{"start":"2012-05-01","end":"2012-07-31","val":103609889,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09","frame":"CY2012Q2"},{"start":"2012-02-01","end":"2012-10-31","val":103468700,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-02-01","end":"2012-10-31","val":103468700,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":103736084,"accn":"0001193125-12-496164","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-12-10"},{"start":"2012-08-01","end":"2012-10-31","val":103736084,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10","frame":"CY2012Q3"},{"start":"2012-02-01","end":"2013-01-31","val":103544171,"accn":"0001193125-13-135467","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-01"},{"start":"2012-02-01","end":"2013-01-31","val":103544171,"accn":"0001193125-14-068278","fy":2013,"fp":"FY","form":"8-K","filed":"2014-02-26"},{"start":"2012-02-01","end":"2013-01-31","val":103544171,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31","frame":"CY2012"},{"start":"2013-02-01","end":"2013-04-30","val":104027228,"accn":"0001193125-13-251504","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-06-07"},{"start":"2013-02-01","end":"2013-04-30","val":104027228,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06","frame":"CY2013Q1"},{"start":"2013-02-01","end":"2013-07-31","val":104310510,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-02-01","end":"2013-07-31","val":104310510,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2013-05-01","end":"2013-07-31","val":104608931,"accn":"0001193125-13-360627","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-09-09"},{"start":"2013-05-01","end":"2013-07-31","val":104608931,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08","frame":"CY2013Q2"},{"start":"2013-01-26","end":"2013-10-31","val":104450366,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2013-02-01","end":"2013-10-31","val":104450366,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":104746663,"accn":"0001193125-13-467673","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-12-10"},{"start":"2013-08-01","end":"2013-10-31","val":104746663,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09","frame":"CY2013Q3"},{"start":"2013-02-01","end":"2014-01-31","val":104527949,"accn":"0001193125-14-122520","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-31"},{"start":"2013-02-01","end":"2014-01-31","val":104527949,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2013"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-14-228557","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-06-06"},{"start":"2014-02-01","end":"2014-04-30","val":104921510,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2014Q1"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-02-01","end":"2014-07-31","val":105164180,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-14-335559","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-09-08"},{"start":"2014-05-01","end":"2014-07-31","val":105402541,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2014Q2"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-02-01","end":"2014-10-31","val":105257604,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-14-437804","fy":2015,"fp":"Q3","form":"10-Q","filed":"2014-12-09"},{"start":"2014-08-01","end":"2014-10-31","val":105438911,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2014Q3"},{"start":"2014-02-01","end":"2015-01-31","val":105311631,"accn":"0001193125-15-116229","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-01","frame":"CY2014"},{"start":"2015-02-01","end":"2015-04-30","val":105630546,"accn":"0001193125-15-216335","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-06-08","frame":"CY2015Q1"},{"start":"2015-02-01","end":"2015-07-31","val":105825063,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09"},{"start":"2015-05-01","end":"2015-07-31","val":106024595,"accn":"0001193125-15-315679","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-09-09","frame":"CY2015Q2"},{"start":"2015-02-01","end":"2015-10-31","val":105901067,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10"},{"start":"2015-08-01","end":"2015-10-31","val":106052511,"accn":"0001193125-15-399526","fy":2016,"fp":"Q3","form":"10-Q","filed":"2015-12-10","frame":"CY2015Q3"}]}}}}}