{"cik":1348334,"entityName":"BARRACUDA NETWORKS 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":"2013-12-31","val":50864290,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-03-31","val":51052959,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-06-30","val":51482390,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":51950714,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-12-31","val":52508221,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-03-31","val":52915183,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-06-30","val":53220755,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-09-30","val":53376731,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-12-31","val":53102128,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-03-31","val":52151782,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-06-30","val":52127092,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-09-30","val":52303252,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-12-31","val":52776391,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-03-31","val":52925162,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":52968233,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-09-29","val":53281244,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-12-29","val":53672307,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-11-06","val":157500000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q3I"},{"end":"2014-08-29","val":238300000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q3I"},{"end":"2015-08-31","val":541800000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q3I"},{"end":"2016-08-31","val":584600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q3I"}]}}},"us-gaap":{"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":"2013-02-28","val":12756000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":12756000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":13688000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":13743000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":13743000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":13743000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":13743000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":13743000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":9502000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":12708000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":13839000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":16356000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":16356000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":16356000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":16356000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":16356000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":13129000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":18530000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":15231000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":15939000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":15939000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":15939000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":15939000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":15939000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":12696000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":9429000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":11288000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":11439000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":11439000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":11439000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":11439000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":12524000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":7710000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":11243000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":24066000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":24066000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":28781000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":27836000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":27836000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":27836000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":27836000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":27836000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":32965000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":36739000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":40998000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":40725000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":40725000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":40725000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":40725000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":40725000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":43154000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":43026000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":42261000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":36520000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":36520000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":36520000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":36520000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":36520000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":35501000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":34028000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":39555000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":40560000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":40560000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":40560000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":40560000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":39654000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":40899000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":45229000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AccruedLiabilitiesCurrent":{"label":"Accrued Liabilities, Current","description":"Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2013-02-28","val":9925000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":9925000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":11439000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":9374000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":9374000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":9374000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":9374000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":9374000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":8646000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":10473000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":9883000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":12465000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":12465000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":12465000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":12465000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":12465000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":11640000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":13003000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":24089000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":19495000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":19495000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":19495000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":19495000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":19495000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":20031000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":17935000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":20079000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":12942000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":12942000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":12942000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":12942000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":12314000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":10773000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":19089000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":6299000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":6299000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":7008000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":7824000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":7824000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":7824000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":7824000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":7824000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":8814000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":9889000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":11132000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":12435000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":12435000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":12435000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":12435000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":12435000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":13973000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":15599000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":17545000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":19779000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":19779000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":19779000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":19779000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":19779000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":22178000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":24081000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":26216000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":28445000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":28445000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":28445000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":28445000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":30922000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":33569000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":35822000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":-1112000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":-1112000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-02-28","val":-1112000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q1I"},{"end":"2013-05-31","val":-1494000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2I"},{"end":"2013-11-30","val":-868000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":-817000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":-817000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":-817000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":-817000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":-817000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":-786000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":-1392000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":-2348000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":-4233000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":-4233000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":-4233000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":-4233000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":-4233000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":-2432000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":-2789000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":-3582000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":-4509000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":-4509000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":-4509000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":-4509000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":-4509000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":-3838000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":-5245000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":-5088000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":-5226000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":-5226000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":-5226000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":-5226000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":-4239000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":-3076000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":-3199000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2013-02-28","val":23080000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":23080000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":277139000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":278551000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":278551000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":278551000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":278551000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":278551000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":284865000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":295003000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":305987000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":316035000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":316035000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":337439000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":337439000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":370745000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.","units":{"USD":[{"end":"2015-02-28","val":316035000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":316035000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":316035000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q1I"},{"end":"2015-05-31","val":325810000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":333316000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":336899000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":337439000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":337439000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":337439000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q1I"},{"end":"2016-05-31","val":346993000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":353352000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":362204000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":370745000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":370745000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":370745000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":375679000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":384395000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":393048000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2012-03-01","end":"2013-02-28","val":615000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":3101000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":3101000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":5369000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":5369000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":5369000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":6734000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":6734000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":7061000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"AdjustmentsToAdditionalPaidInCapitalOther":{"label":"Adjustments to Additional Paid in Capital, Other","description":"Amount of other increase (decrease) in additional paid in capital (APIC).","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-255000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-2861000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-2861000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":3048000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":3048000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":3048000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":373000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":373000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":373000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":155000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":155000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"}]}},"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":"2011-03-01","end":"2012-02-29","val":1871000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":8787000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":8787000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":10837000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":10837000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":10837000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":17058000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":17058000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":17058000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":28846000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":28846000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":32705000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":82000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":1687000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1687000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":3788000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":3788000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1909000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":46500000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":52900000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":52900000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":56700000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":56700000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":56700000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":58700000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":58700000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":58700000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":58200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":58200000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":44900000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"AllocatedShareBasedCompensationExpense":{"label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1871000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":6357000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":1723000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":8787000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":8787000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":2497000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":5128000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":2631000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":7551000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":7551000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":2423000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":2423000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":10837000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":10837000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":10837000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":3082000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":3082000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":6818000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":6818000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":3736000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":3736000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":11682000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":11682000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":4864000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":4864000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":17058000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":17058000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":17058000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":6544000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":6544000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":13710000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":13710000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":7166000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":7166000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":21416000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":21416000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":7706000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":7706000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":28846000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":28846000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":7937000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":7937000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":15833000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":15833000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":7896000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":7896000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":25050000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":25050000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":9217000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":9217000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":32705000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":7383000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":17011000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":9628000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":26343000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":9331000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2013-02-28","val":1252000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":1252000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":1923000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":2134000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":2134000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":2134000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":2134000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":2134000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":2194000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":1367000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":1337000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":1531000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":1531000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":1531000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":1531000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":1531000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":1580000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1717000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":1917000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":2018000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":2018000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":2018000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":2018000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":2018000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":2319000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":2502000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":2738000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":2857000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":2857000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":2857000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":2857000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":2984000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3217000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":3512000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2011-03-01","end":"2012-02-29","val":6000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":4200000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":1400000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":5500000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":5500000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":1400000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":3100000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":1700000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":4400000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":4400000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":1300000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":1300000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":5400000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":5400000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":5400000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1000000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":1000000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":2100000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":2100000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":1100000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":1100000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":2900000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":2900000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":800000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":800000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":3400000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":3400000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":3400000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":600000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":600000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1200000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":1200000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":600000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":600000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":2500000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":2500000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":1300000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":1300000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":5600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":5600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":1900000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":1900000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":3700000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":3700000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":1800000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":1800000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":5500000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":5500000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1800000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1800000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":7200000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1700000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":3500000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":1800000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":5000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":1600000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2013-02-28","val":212248000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":212248000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":327860000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":366177000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":399678000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":425840000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":389345000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":400423000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":421324000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":429944000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":419804000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":430713000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":435982000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":453718000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":464774000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":464774000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":464774000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":464774000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":469108000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":476651000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":509714000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":111462000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":111462000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":211354000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":230126000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":230126000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":230126000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":230126000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":230126000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":243459000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":266115000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":288671000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":280266000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":280266000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":280266000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":280266000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":280266000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":291696000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":310926000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":251586000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":241609000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":241609000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":241609000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":241609000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":241609000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":253548000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":262268000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":283176000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":295409000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":295409000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":295409000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":295409000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":296210000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":298674000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":275792000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AssetsFairValueDisclosure":{"label":"Assets, Fair Value Disclosure","description":"Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2013-02-28","val":10833000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"}]}},"AssetsFairValueDisclosureRecurring":{"label":"Assets, Fair Value Disclosure, Recurring (Deprecated 2018-01-31)","description":"This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.","units":{"USD":[{"end":"2013-02-28","val":10833000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q1I"},{"end":"2013-11-30","val":94202000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"}]}},"AvailableForSaleSecurities":{"label":"Available-for-sale Securities","description":"Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.","units":{"USD":[{"end":"2015-02-28","val":40754000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":40754000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":40754000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":40754000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":40754000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":44768000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":44066000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":36783000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":36394000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":39727000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":40410000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":73220000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":79915000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":79915000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":79915000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":79915000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":80660000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":80991000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":80850000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax","description":"Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2015-02-28","val":70000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":70000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":70000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":70000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":70000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":1884000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1173000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":1096000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":432000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":432000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":432000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":432000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":432000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":773000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":77000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":19000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":20000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":20000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":20000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":20000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":39000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":46000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":1000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax","description":"Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.","units":{"USD":[{"end":"2015-02-28","val":83000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":83000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":83000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":83000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":83000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":45000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":66000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":73000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":52000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":52000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":56000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":59000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":338000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":297000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":297000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":297000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":297000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":230000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":164000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":433000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesAmortizedCost":{"label":"Available-for-sale Securities, Amortized Cost Basis","description":"This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.","units":{"USD":[{"end":"2015-02-28","val":40767000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":40767000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":40767000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":40767000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":40767000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":42929000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":42959000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":35760000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":36014000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":36014000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":36014000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":36014000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":36014000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":39010000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":40392000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":73539000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":80192000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":80192000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":80192000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":80192000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":80851000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":81109000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":81282000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss","description":"Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.","units":{"USD":[{"end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":16000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":9000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":9000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":9000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":9000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":9000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":4000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":3000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":3000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":12000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":12000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":12000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":12000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":8000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":26000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":199000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss","description":"Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.","units":{"USD":[{"end":"2015-02-28","val":83000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":83000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":83000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":83000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":83000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":45000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":66000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":73000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":52000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":52000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":56000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":59000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":338000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":297000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":297000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":297000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":297000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":230000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":164000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":433000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.","units":{"USD":[{"end":"2015-02-28","val":20963000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":20963000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":20963000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":20963000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":20963000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":14968000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":21711000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":20619000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":17516000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":17516000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":17516000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":17516000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":17516000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":18654000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":21474000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":63880000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":64337000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":64337000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":64337000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":64337000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":62871000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":57867000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":77946000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss","description":"Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.","units":{"USD":[{"end":"2015-02-28","val":83000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":83000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":83000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":83000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":83000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":45000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":66000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":57000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":43000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":43000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":43000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":43000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":43000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":52000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":56000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":335000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":285000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":285000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":285000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":285000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":222000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":138000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":234000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.","units":{"USD":[{"end":"2015-02-28","val":20963000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":20963000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":20963000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":20963000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":20963000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":14968000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":21711000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":19791000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":16509000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":16509000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":16509000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":16509000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":16509000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":18171000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":21173000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":62397000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":63606000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":63606000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":63606000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":63606000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":61137000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":50330000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":45864000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue":{"label":"Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value","description":"This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.","units":{"USD":[{"end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":828000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":1007000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":1007000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":1007000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":1007000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":1007000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":483000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":301000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":1483000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":731000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":731000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":731000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":731000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":1734000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":7537000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":32082000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesCurrent":{"label":"Available-for-sale Securities, Current","description":"Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.","units":{"USD":[{"end":"2015-02-28","val":40754000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":40754000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":40754000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":40754000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":40754000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":44768000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":44066000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":36783000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":36394000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":36394000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":39727000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":40410000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":73220000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":79915000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":79915000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":79915000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":79915000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":80660000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":80991000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":80850000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth 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":"2014-11-30","val":1416000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":1607000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":1301000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":580000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":729000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":559000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":1372000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":1274000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":3326000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":3583000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":3455000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3020000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":993000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through 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":"2014-11-30","val":7207000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":24850000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":22643000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":21259000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":14023000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":16018000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":22147000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":27803000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":54828000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":50657000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":50336000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":52893000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":50382000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth 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":"2014-11-30","val":2024000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":4387000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":4361000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":4242000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":4166000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":3933000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":3471000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":2879000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":4672000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":4174000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":4375000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3644000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":3654000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity 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":"2014-11-30","val":813000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":8694000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":11535000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":13738000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":13700000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":12409000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":10432000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":8454000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":10394000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":21501000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":22494000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":21434000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":25821000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesDebtSecuritiesCurrent":{"label":"Debt Securities, Available-for-sale, Current","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.","units":{"USD":[{"end":"2014-11-30","val":11460000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":39538000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":39840000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":39819000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":32618000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":32919000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":37422000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":40410000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":73220000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":79915000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":80660000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":80991000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":80850000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"AvailableForSaleSecuritiesEquitySecuritiesCurrent":{"label":"Available-for-sale Securities, Equity Securities, Current","description":"Amount of investments in equity securities and other forms of securities that provide ownership interests classified as available-for-sale, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2013-02-28","val":1550000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":1550000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":1231000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"}]}},"AvailableForSaleSecuritiesGrossRealizedGains":{"label":"Available-for-sale Securities, Gross Realized Gains","description":"This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.","units":{"USD":[{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear":{"label":"Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year","description":"Number of investment positions in available-for-sale investments that have been in a continuous unrealized loss position for greater than or equal to a year for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.","units":{"Securities":[{"end":"2014-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"}]}},"BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued":{"label":"Business Acquisition, Equity Interest Issued or Issuable, Number of Shares","description":"Number of shares of equity interests issued or issuable to acquire entity.","units":{"shares":[{"start":"2013-03-01","end":"2013-11-30","val":59726,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"}]}},"BusinessAcquisitionsProFormaNetIncomeLoss":{"label":"Business Acquisition, Pro Forma Net Income (Loss)","description":"The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.","units":{"USD":[{"start":"2012-03-01","end":"2012-11-30","val":-9425000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-3184000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-10873000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-10873000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":-7349000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":-4303000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-4303000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"}]}},"BusinessAcquisitionsProFormaRevenue":{"label":"Business Acquisition, Pro Forma Revenue","description":"The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.","units":{"USD":[{"start":"2012-03-01","end":"2012-11-30","val":146475000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":51439000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":199006000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":199006000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":173578000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":233912000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":233912000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"}]}},"BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable":{"label":"Business Combination, Consideration Transferred, Equity Interests Issued and Issuable","description":"Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.","units":{"USD":[{"start":"2012-03-01","end":"2013-02-28","val":3528000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":3528000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"BusinessCombinationContingentConsiderationLiabilityCurrent":{"label":"Business Combination, Contingent Consideration, Liability, Current","description":"Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2014-11-30","val":1035000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":1150000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":1150000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":1150000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":1150000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":918000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1293000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2016-02-29","val":1160000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":1160000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":902000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"BusinessCombinationContingentConsiderationLiabilityNoncurrent":{"label":"Business Combination, Contingent Consideration, Liability, Noncurrent","description":"Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2014-11-30","val":1889000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":1878000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":1878000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":1878000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":1878000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":2146000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":2191000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2016-02-29","val":161000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":161000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"}]}},"Cash":{"label":"Cash","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. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2014-02-28","val":41331000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":41331000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":41331000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-08-31","val":61904000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":76446000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":97187000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":97187000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":97187000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":97187000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":97187000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":103878000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":121402000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":58604000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":60252000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":60252000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":60252000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":60252000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":60252000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":70678000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":83641000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":96173000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":103726000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":103726000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":103726000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":103726000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":110520000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":109582000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":79900000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2011-02-28","val":98742000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011Q1I"},{"end":"2012-02-29","val":126507000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2012-02-29","val":126507000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2012-02-29","val":126507000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012Q1I"},{"end":"2012-11-30","val":23449000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4I"},{"end":"2013-02-28","val":30095000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":30095000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-02-28","val":30095000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2013-02-28","val":30095000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2013-02-28","val":30095000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2013-02-28","val":30095000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2013-02-28","val":30095000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013Q1I"},{"end":"2013-05-31","val":20531000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2I"},{"end":"2013-08-31","val":28996000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3I"},{"end":"2013-11-30","val":117249000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-30","val":117249000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4I"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2014-02-28","val":135879000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2014-02-28","val":135879000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2014-02-28","val":135879000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014Q1I"},{"end":"2014-05-31","val":141558000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-05-31","val":141558000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2I"},{"end":"2014-08-31","val":156559000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-08-31","val":156559000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3I"},{"end":"2014-11-30","val":159895000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-11-30","val":159895000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4I"},{"end":"2015-02-28","val":151373000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":151373000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":151373000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":151373000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":151373000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2015-02-28","val":151373000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2015-02-28","val":151373000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2015-02-28","val":151373000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2015-02-28","val":151373000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015Q1I"},{"end":"2015-05-31","val":156062000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-05-31","val":156062000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2I"},{"end":"2015-08-31","val":173683000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-08-31","val":173683000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3I"},{"end":"2015-11-30","val":117073000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-11-30","val":117073000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4I"},{"end":"2016-02-29","val":118654000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":118654000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":118654000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":118654000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":118654000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":126982000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":139173000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":121113000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":120194000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":120194000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":120194000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":120194000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":126676000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":125585000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":96894000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2011-03-01","end":"2012-02-29","val":27765000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-103058000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":-96412000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-96412000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-9564000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-1099000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":87154000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":87154000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":105784000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":105784000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":105784000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":5679000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":5679000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":20680000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":20680000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":24016000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":24016000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":15494000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":15494000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":15494000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":4689000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":4689000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":22310000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":22310000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":-34300000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-34300000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-32719000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-32719000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":8328000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":20519000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":2459000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1540000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. 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":"2016-02-29","val":119333000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2016-02-29","val":119333000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2016-02-29","val":118654000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q1I"},{"end":"2016-05-31","val":127684000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2I"},{"end":"2016-08-31","val":139830000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3I"},{"end":"2016-11-30","val":121113000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":120837000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":120837000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":120837000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":127331000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":126245000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":97570000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect","description":"Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. 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":[{"start":"2016-03-01","end":"2016-05-31","val":8351000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":20497000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":2459000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-03-01","end":"2017-05-31","val":6494000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":5408000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":-23267000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2013-02-28","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-10-15","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-10-15","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q3I"},{"end":"2013-11-30","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":0.001,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":0.001,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":0.001,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":0.001,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":0.001,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":0.001,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":0.001,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":0.001,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":0.001,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":0.001,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":0.001,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":0.001,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":0.001,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":0.001,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":0.001,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":0.001,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":0.001,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":0.001,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":53333334,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":53333334,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-10-15","val":1000000000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-10-15","val":1000000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q3I"},{"end":"2013-11-30","val":1000000000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":1000000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":1000000000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":1000000000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":1000000000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":1000000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":1000000000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":1000000000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":1000000000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":1000000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":1000000000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":1000000000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":1000000000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":1000000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":1000000000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1000000000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":1000000000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":1000000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":1000000000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":1000000000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":1000000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":1000000000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":1000000000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":1000000000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":1000000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":1000000000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":1000000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":1000000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":1000000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":1000000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":1000000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":1000000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":28091081,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":28091081,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":50850602,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":51430238,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":51920115,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":52474672,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":52881002,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":53191307,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":53347890,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":53092522,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":52135194,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":52529155,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":52270294,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":52748541,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":52897128,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":52897128,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":52897128,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":52897128,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":52811301,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":53153432,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":53606385,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":28091081,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":28091081,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":50850602,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":51045196,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":51430238,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":51920115,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":52474672,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":52881002,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":52881002,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":53191307,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":53347890,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":53092522,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":52135194,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":52135194,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":52529155,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":52270294,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":52748541,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":52897128,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":52897128,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":52897128,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":52897128,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":52811301,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":53153432,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":53606385,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":28000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":28000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":51000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":52000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":52000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":52000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":52000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":52000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":52000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":52000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":52000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":53000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":53000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":53000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":53000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":53000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":53000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":53000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":53000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":52000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":52000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":52000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":52000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":52000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":53000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":53000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":53000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":53000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":53000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":53000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":53000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":54000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2011-03-01","end":"2012-02-29","val":202000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-6958000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-1823000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-7982000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-7982000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-2786000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-4818000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-2032000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-6428000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-6428000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-1610000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-1610000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-3331000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-3331000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-3331000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":182000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":182000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":314000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":314000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":132000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":132000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-678000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-678000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-992000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-992000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-70914000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-70914000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-70914000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-2031000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-2031000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-4627000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-4627000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-2596000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-2596000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-7006000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-7006000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-2379000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-2379000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-4698000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-4698000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":3455000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":3455000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":4485000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":4485000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":1030000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":1030000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":6435000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":6435000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1950000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1950000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":9518000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":3659000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":6376000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":2717000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":14036000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":7660000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"ConversionOfStockAmountConverted1":{"label":"Conversion of Stock, Amount Converted","description":"\"The value of the stock 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":{"USD":[{"start":"2013-03-01","end":"2013-11-30","val":167554000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":167554000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":167554000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":167554000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":167554000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"ConvertiblePreferredStockSharesIssuedUponConversion":{"label":"Convertible Preferred Stock, Shares Issued upon Conversion","description":"Number of shares issued for each share of convertible preferred stock that is converted.","units":{"shares":[{"end":"2013-11-12","val":17626227,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-12","val":17626227,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q3I"},{"end":"2013-11-30","val":17626227,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-30","val":17626227,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2013-11-30","val":17626227,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2013-11-30","val":17626227,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013Q4I"},{"end":"2014-02-28","val":17626227,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"CostMethodInvestments":{"label":"Cost Method Investments","description":"Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.","units":{"USD":[{"end":"2015-02-28","val":600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":1600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":2300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"CostOfRevenue":{"label":"Cost of Revenue","description":"The aggregate cost of goods produced and sold and services rendered during the reporting period.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":34966000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":32680000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":11394000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":45088000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":45088000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":13074000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":26481000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":13407000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":40498000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":40498000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":14017000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":14017000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":53768000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":53768000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":53768000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":14406000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":14406000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":28450000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":28450000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":14044000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":14044000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":42888000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":42888000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":14438000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":14438000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":58667000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":58667000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":58667000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":15966000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":15966000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":31901000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":31901000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":15935000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":15935000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":50253000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":50253000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":18352000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":18352000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":70132000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":70132000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":20241000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":20241000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":40481000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":40481000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":20240000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":20240000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":61579000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":61579000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":21098000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":21098000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":83772000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":23648000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":48846000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":25198000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":70944000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":22098000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"CurrentFederalTaxExpenseBenefit":{"label":"Current Federal Tax Expense (Benefit)","description":"Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":9860000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":6824000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":6824000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":4760000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":4760000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":4760000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":2479000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":2479000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":2479000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":2519000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":2519000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":7880000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":517000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":526000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":526000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":734000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":734000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":734000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":863000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":863000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":863000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":507000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":507000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":792000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":10914000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":8290000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":8290000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":6068000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":6068000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":6068000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":3641000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":3641000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":3641000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":3865000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":3865000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":10111000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"CurrentStateAndLocalTaxExpenseBenefit":{"label":"Current State and Local Tax Expense (Benefit)","description":"Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":537000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":940000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":940000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":574000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":574000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":574000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":299000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":299000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":299000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":839000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":839000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1439000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"DebtInstrumentInterestRateEffectivePercentage":{"label":"Debt Instrument, Interest Rate, Effective Percentage","description":"Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.","units":{"pure":[{"end":"2014-02-28","val":0.005,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"DebtInstrumentInterestRateStatedPercentage":{"label":"Debt Instrument, Interest Rate, Stated Percentage","description":"Contractual interest rate for funds borrowed, under the debt agreement.","units":{"pure":[{"end":"2011-12-31","val":0.0623,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011Q4I"},{"end":"2015-02-28","val":0.0623,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":0.0623,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":0.0623,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DebtInstrumentPeriodicPayment":{"label":"Debt Instrument, Periodic Payment","description":"Amount of the required periodic payments including both interest and principal payments.","units":{"USD":[{"start":"2011-12-01","end":"2011-12-31","val":44445,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2014-03-01","end":"2015-02-28","val":44445,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":44445,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":44445,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"DeferredCosts":{"label":"Deferred Costs, Noncurrent","description":"Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent.","units":{"USD":[{"end":"2013-02-28","val":19351000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":19351000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":23809000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":24572000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":24572000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":24572000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":24572000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":24572000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":25546000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":26425000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":26952000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":27715000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":27715000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":27715000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":27715000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":27715000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":28109000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":28288000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":27408000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":27019000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":27019000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":27019000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":27019000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":27019000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":26989000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":26782000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":26475000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":27285000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":27285000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":27285000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":27285000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":28780000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":30246000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":30502000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"DeferredCostsCurrent":{"label":"Deferred Costs, Current","description":"Sum of the carrying amounts as of the balance sheet date of deferred costs capitalized at the end of the reporting period that are expected to be charged against earnings within one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2013-02-28","val":20119000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":20119000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":24461000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":25707000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":25707000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":25707000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":25707000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":25707000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":27003000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":28157000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":29162000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":30221000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":30221000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":30221000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":30221000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":30221000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":31146000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":31926000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":31847000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":31943000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":31943000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":31943000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":31943000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":31943000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":32072000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":32049000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":32076000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":32598000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":32598000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":32598000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":32598000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":33403000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":34206000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":34352000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"DeferredCostsCurrentAndNoncurrent":{"label":"Deferred Costs","description":"The carrying amount of deferred costs.","units":{"USD":[{"end":"2013-02-28","val":39470000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":39470000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":48270000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":50279000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":50279000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":50279000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":50279000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":50279000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":52549000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":54582000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":56114000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":57936000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":57936000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":57936000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":57936000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":57936000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":59255000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":60214000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":59255000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":58962000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":58962000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":58962000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":58962000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":58962000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":59061000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":58831000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":58551000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":59883000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":59883000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":59883000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":59883000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":62183000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":64452000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":64854000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"DeferredFederalIncomeTaxExpenseBenefit":{"label":"Deferred Federal Income Tax Expense (Benefit)","description":"Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-9501000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-11507000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-11507000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-10231000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-10231000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-10231000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":51820000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":51820000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":51820000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-2707000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-2707000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":357000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":-1096000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-1250000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-1250000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-1293000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-1293000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-1293000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":2767000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":2767000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":2767000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-3035000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-3035000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1272000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":-11367000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":365000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":-13374000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-13374000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":47000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-5467000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-8340000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-8340000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":-12633000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-12633000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-12633000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-3254000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":-3254000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-6198000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":-6198000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":-10197000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-10197000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":59261000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":59261000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":59261000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":145000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":145000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":239000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":239000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":-3927000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-3927000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-6592000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-6592000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":261000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":261000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":474000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":474000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":391000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":391000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1642000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":652000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":804000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":1158000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"DeferredIncomeTaxLiabilities":{"label":"Deferred Tax Liabilities, Gross","description":"Amount of deferred tax liability attributable to taxable temporary differences.","units":{"USD":[{"end":"2015-02-28","val":4570000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":20222000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":20222000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":18311000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DeferredOfferingCosts":{"label":"Deferred Offering Costs","description":"Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.","units":{"USD":[{"end":"2013-11-30","val":2700000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"}]}},"DeferredRevenueCurrent":{"label":"Deferred Revenue, Current","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.","units":{"USD":[{"end":"2013-02-28","val":146257000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":146257000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":159578000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":167562000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":167562000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":167562000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":167562000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":167562000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":177472000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":187153000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":199054000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":209904000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":209904000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":209904000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":209904000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":209904000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":218131000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":225387000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":226625000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":235411000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":235411000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":235411000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":235411000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":235411000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":236856000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":240813000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":237433000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":239796000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":239796000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":239796000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":239796000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":241464000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":245517000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":247330000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"DeferredRevenueNoncurrent":{"label":"Deferred Revenue, Noncurrent","description":"Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.","units":{"USD":[{"end":"2013-02-28","val":114986000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":114986000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":139245000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":145595000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":145595000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":145595000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":145595000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":145595000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":151016000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":156525000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":159218000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":163253000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":163253000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":163253000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":163253000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":163253000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":163011000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":164519000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":165045000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":157363000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":157363000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":157363000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":157363000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":157363000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":156216000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":158065000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":163867000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":167286000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":167286000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":167286000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":167286000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":166060000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":168148000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":170415000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"DeferredStateAndLocalIncomeTaxExpenseBenefit":{"label":"Deferred State and Local Income Tax Expense (Benefit)","description":"Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-770000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-617000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-617000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-1109000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-1109000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-1109000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":4674000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":4674000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":4674000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-850000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-850000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":13000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"DeferredTaxAssetsDeferredIncome":{"label":"Deferred Tax Assets, Deferred Income","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.","units":{"USD":[{"end":"2013-02-28","val":41577000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":53619000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":53619000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":58886000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":58886000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":63357000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":63357000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":65152000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":56128000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":68940000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":68940000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":76890000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":76890000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":94135000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":94135000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":94575000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":46431000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":58327000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":58327000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":-2037000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":514000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":514000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"}]}},"DeferredTaxAssetsNet":{"label":"Deferred Tax Assets, Net of Valuation Allowance","description":"Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.","units":{"USD":[{"end":"2013-02-28","val":49120000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":62255000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":62255000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":2533000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":2533000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":20736000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":20736000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":17062000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":26158000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":26158000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":29717000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":30156000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":30156000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":30156000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":30156000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":30156000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":31940000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":33840000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":35975000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":479000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":479000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":479000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":479000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":479000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":97000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":152000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":2607000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"}]}},"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":"2013-02-28","val":21065000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":21065000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":25265000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":28515000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":28515000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":28515000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":28515000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":28515000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":29985000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":31198000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":33055000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":443000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":443000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":443000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":443000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":443000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":423000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":384000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":374000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":2992000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":2992000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":2992000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":2992000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":2992000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":2993000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":2867000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":2759000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":1554000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":1554000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":1554000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":1554000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":1275000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":1023000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":704000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":6389000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":6675000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":6675000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":5431000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":5431000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":12705000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":12705000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":9424000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsDomestic":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Domestic","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.","units":{"USD":[{"end":"2014-02-28","val":3300000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":3100000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":21800000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":15900000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsForeign":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, Foreign","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.","units":{"USD":[{"end":"2014-02-28","val":20400000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":15700000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":14600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":9900000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2014-02-28","val":19600000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":15400000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":13900000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":9600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal":{"label":"Deferred Tax Assets, Operating Loss Carryforwards, State and Local","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.","units":{"USD":[{"end":"2014-02-28","val":9000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":15300000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":10700000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":6800000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DeferredTaxAssetsTaxCreditCarryforwardsResearch":{"label":"Deferred Tax Assets, Tax Credit Carryforwards, Research","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.","units":{"USD":[{"end":"2013-02-28","val":2003000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":2419000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":2419000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":4935000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4935000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":6484000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":6484000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":5436000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost":{"label":"Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost","description":"Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.","units":{"USD":[{"end":"2015-02-28","val":6400000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":3344000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":6983000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":6983000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":9335000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves":{"label":"Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves","description":"Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other.","units":{"USD":[{"end":"2013-02-28","val":6159000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":6227000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":6227000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":7638000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4294000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":4606000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":4606000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":5228000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":7008000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":6685000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":6685000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":74357000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":74357000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":73399000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":73399000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":77513000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":2689000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":3928000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":3928000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":4570000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":2037000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2017-02-28","val":1249000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":132000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":132000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":132000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":260000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":260000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":260000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q1I"},{"end":"2014-05-31","val":260000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":291000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"}]}},"DeferredTaxLiabilitiesGrossCurrent":{"label":"Deferred Tax Liabilities, Gross, Current","description":"Amount of deferred tax liability attributable to taxable temporary differences classified as current.","units":{"USD":[{"end":"2014-02-28","val":260000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":260000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-11-30","val":291000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":563000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":563000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":563000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":563000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":563000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":420000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":362000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":338000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"}]}},"DeferredTaxLiabilitiesGrossNoncurrent":{"label":"Deferred Tax Liabilities, Gross, Noncurrent","description":"Gross amount of noncurrent deferred tax liabilities, which result from applying the applicable tax rate to taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax.","units":{"USD":[{"end":"2014-02-28","val":84000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":84000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-11-30","val":939000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":2396000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":2396000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":2396000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":2396000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":2396000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":2146000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":2250000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":4801000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":2478000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":2478000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":2478000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":2478000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":2478000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":2678000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":2762000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":2472000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":2803000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":2803000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":2803000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":2803000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":2938000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3073000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":3293000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":660000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":660000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":672000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":84000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":84000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":84000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q1I"},{"end":"2014-05-31","val":83000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":951000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"}]}},"DeferredTaxLiabilitiesOther":{"label":"Deferred Tax Liabilities, Other","description":"Amount of deferred tax liability attributable to taxable temporary differences classified as other.","units":{"USD":[{"end":"2013-02-28","val":667000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":460000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":460000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":231000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":231000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"}]}},"DeferredTaxLiabilitiesPrepaidExpenses":{"label":"Deferred Tax Liabilities, Prepaid Expenses","description":"Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.","units":{"USD":[{"end":"2013-02-28","val":347000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":569000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":569000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":717000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":717000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1151000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":1151000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":1372000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":1675000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":2899000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":2899000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":3622000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":3622000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":14954000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":14954000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":12642000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"DefinedContributionPlanCostRecognized":{"label":"Defined Contribution Plan, Cost","description":"Amount of cost for defined contribution plan.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":836000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":836000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":800000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":978000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":1000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":1000000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":1200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1200000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2012-03-01","end":"2012-11-30","val":1900000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":700000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2013-03-01","end":"2013-11-30","val":2700000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":1100000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"}]}},"DepreciationAndAmortization":{"label":"Depreciation, Depletion and Amortization, Nonproduction","description":"The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":8124000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":6006000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":8333000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":8333000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":2245000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":4734000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":7115000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":7115000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":9109000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":9109000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":9109000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":2087000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":2087000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":4422000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":4422000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":6540000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":6540000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":8631000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":8631000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":8631000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2174000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2174000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":4469000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":4469000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":7927000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":7927000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":13300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":13300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":4281000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":4281000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":8467000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":8467000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":12442000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":12442000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":16431000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":4216000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":8545000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":12716000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"DisposalGroupNotDiscontinuedOperationGainLossOnDisposal":{"label":"Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal","description":"Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.","units":{"USD":[{"start":"2016-03-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2017-03-01","end":"2017-11-30","val":7382000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":7382000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"DividendsCash":{"label":"Dividends, Cash","description":"Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.","units":{"USD":[{"start":"2012-10-01","end":"2012-10-31","val":130000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"}]}},"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":"2012-10-01","end":"2012-10-31","val":130000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012Q3I"},{"start":"2012-03-01","end":"2013-02-28","val":130000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":130000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"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":"2011-03-01","end":"2012-02-29","val":0.01,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-0.29,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-0.09,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-0.16,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-0.08,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-0.22,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-0.06,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-0.1,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-0.1,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":0.02,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":0.02,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":0.01,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":0.01,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":0.02,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":0.02,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":-1.3,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-1.3,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-0.07,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-0.07,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-0.11,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-0.11,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-0.04,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-0.04,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-0.14,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-0.14,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-0.03,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-0.03,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-0.08,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-0.08,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":0.05,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":0.05,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":0.1,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":0.1,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":0.05,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":0.05,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":0.13,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":0.13,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0.03,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0.03,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":0.2,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":0.05,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":0.08,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":0.03,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":0.23,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":0.15,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2012-03-01","end":"2012-11-30","val":-0.17,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-0.06,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-0.29,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":-0.22,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-0.06,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-0.1,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-0.1,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":-1.3,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-1.3,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-0.08,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"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":"2011-03-01","end":"2012-02-29","val":0.01,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-0.29,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-0.09,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-0.16,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-0.08,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-0.22,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-0.06,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-0.1,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-0.1,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":0.02,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":0.02,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":0.01,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":0.01,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":0.02,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":0.02,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":-1.3,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-1.3,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-0.07,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-0.07,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-0.11,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-0.11,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-0.04,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-0.04,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-0.14,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-0.14,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-0.03,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-0.03,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-0.08,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-0.08,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":0.05,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":0.05,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":0.1,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":0.1,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":0.05,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":0.05,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":0.13,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":0.13,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0.03,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0.03,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":0.19,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":0.05,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":0.08,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":0.03,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":0.22,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":0.14,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2012-03-01","end":"2012-11-30","val":0.275,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":0.336,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2013-03-01","end":"2013-11-30","val":0.274,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":0.207,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"}]}},"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":"2011-03-01","end":"2012-02-29","val":7000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-72000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":-172000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-172000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-105000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-35000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-49000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-49000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":-16000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-16000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-16000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-3000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":-3000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-92000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":-92000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":-634000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-634000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":-775000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-775000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-775000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-194000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-194000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-115000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-115000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":-267000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-267000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":155000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":155000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":135000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":463000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":-175000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":-182000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. 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":[{"start":"2016-03-01","end":"2016-05-31","val":135000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":463000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-175000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-03-01","end":"2017-05-31","val":428000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":1335000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":1337000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"EmployeeRelatedLiabilitiesCurrent":{"label":"Employee-related Liabilities, Current","description":"Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2013-02-28","val":9967000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":9967000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":6388000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":8494000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":8494000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":8494000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":8494000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":8494000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":7797000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":8048000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":9212000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":11656000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":11656000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":11656000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":11656000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":11656000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":11210000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":11424000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":12766000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":12371000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":12371000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":12371000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":12371000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":12371000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":12521000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":13587000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":14020000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":13593000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":13593000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":13593000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":13593000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":12943000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":12825000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":12803000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares":{"label":"Employee Stock Ownership Plan (ESOP), Number of Suspense Shares","description":"Shares contributed to the ESOP that have not yet been released, committed to be released, or allocated to participant accounts. Suspense shares generally collateralize ESOP debt.","units":{"shares":[{"end":"2015-08-31","val":750000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"}]}},"EquityMethodInvestmentOwnershipPercentage":{"label":"Equity Method Investment, Ownership Percentage","description":"The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.","units":{"pure":[{"end":"2011-10-31","val":0.24,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2011-10-31","val":0.24,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2011-10-31","val":0.24,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2011-10-31","val":0.24,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2011-10-31","val":0.24,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2011Q3I"},{"end":"2014-10-31","val":0.24,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-10-31","val":0.24,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q3I"},{"end":"2015-02-28","val":0.24,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":0.24,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":0.24,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":0.23,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"EquityMethodInvestments":{"label":"Equity Method Investments","description":"This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.","units":{"USD":[{"end":"2011-10-31","val":750000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2011-10-31","val":750000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011Q3I"},{"end":"2015-02-28","val":1300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":1600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":1800000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2011-03-01","end":"2012-02-29","val":82000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":1687000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":1687000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1687000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":11000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":226000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":374000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":374000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1772000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":1772000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":4338000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":4338000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":6752000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":6752000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2144000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2144000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":3260000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":3260000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":3390000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":3390000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":3788000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":3788000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":141000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":141000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":791000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":791000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":2023000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":2023000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1909000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":82000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":1687000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":1687000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1687000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":11000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":226000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":374000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":374000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1513000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1772000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":1772000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":4338000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":4338000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":6752000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":6752000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":8947000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2144000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2144000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":3260000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":3260000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":3390000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":3390000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":3788000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":3788000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":141000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":141000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":791000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":791000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":2023000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":2023000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1909000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2014-03-01","end":"2015-02-28","val":104000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":36000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":147000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":205000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2016-02-29","val":-1867000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":-419000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases","description":"Amount of purchases 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":"2014-03-01","end":"2015-02-28","val":2924000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-08-31","val":334000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":334000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2016-02-29","val":334000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements":{"label":"Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements","description":"Amount of 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":"2015-03-01","end":"2015-08-31","val":25000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":100000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2016-02-29","val":174000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"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":"2014-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":3028000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":3028000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":3028000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":3028000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":3028000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":3064000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":3484000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":3467000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":1321000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":1321000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":902000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-02-28","val":23141000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":23141000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":27685000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":28683000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":28683000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":28683000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":28683000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":28683000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":29633000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":30243000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":30754000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":30849000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":30849000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":30849000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":30849000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":30849000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":31341000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":32035000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":33072000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":35110000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":34510000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":34510000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":34510000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":34510000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":36484000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":38343000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":39865000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":41609000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":41609000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":41609000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":41609000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":43609000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":45643000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":42469000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-11-30","val":500000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":300000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-05-31","val":300000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":1600000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":1500000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":900000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":900000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1200000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":13600000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":8000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":7900000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":7900000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":7900000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":3100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":3000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3100000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":9200000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2014-02-28","val":3000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-05-31","val":2000000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":1400000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":600000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":2300000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":7200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":6900000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2013-11-30","val":1000000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2015-05-31","val":1700000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1300000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":1800000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-05-31","val":5400000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":3600000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":1800000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-05-31","val":5200000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3400000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":2900000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-11-30","val":1200000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":300000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-05-31","val":300000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":1000000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":1000000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":700000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":700000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":800000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":5600000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":5300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":5300000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":5300000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":5300000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":4900000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":4900000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":4900000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":9500000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-11-30","val":1500000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":1200000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-05-31","val":1200000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":1900000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":1900000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":900000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":900000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1000000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":5900000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":5800000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":5800000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":5800000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":5800000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":5300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":5300000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":5300000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":9800000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-11-30","val":1700000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":1500000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-05-31","val":1500000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":2200000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":2200000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":1900000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":1900000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":1900000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":6800000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":6000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":6000000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":6000000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":6000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":5800000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":5800000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":5800000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":10300000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-11-30","val":3000000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":1700000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-05-31","val":1700000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":2400000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":2400000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":2200000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-05-31","val":2200000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":2300000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":7100000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":6900000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-05-31","val":6900000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":6900000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":6900000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":6000000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":6000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":6000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":10300000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":30715000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":30715000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":36631000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":36666000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":36666000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":36666000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":36666000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":36666000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":36636000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":40599000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":40331000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":39770000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":39770000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":39770000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":39770000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":39770000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":39672000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":40487000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":73882000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":74302000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":73702000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":73702000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":73702000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":73702000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":73806000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":73809000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":73575000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":73560000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":73560000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":73560000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":73560000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":73833000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":74140000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":94386000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":7574000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":7574000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":8946000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":7983000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":7983000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":7983000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":7983000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":7983000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":7003000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":10356000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":9577000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":8921000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":8921000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":8921000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":8921000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":8921000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":8331000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":8452000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":40810000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":39192000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":39192000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":39192000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":39192000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":39192000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":37322000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":35466000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":33710000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":31951000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":31951000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":31951000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":31951000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":30224000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":28497000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":51917000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-03-01","end":"2014-02-28","val":86000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":-3558000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-3558000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-14000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-14000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":-798000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2012-03-01","end":"2013-02-28","val":-700000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":100000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":100000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-08-31","val":-600000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":-600000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-2400000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-1700000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-3600000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-3600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-3600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-600000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-600000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-500000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-500000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":100000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":100000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-900000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-900000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-400000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-400000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":500000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":500000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":1400000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":1400000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":900000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":900000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":-1000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-1000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-2400000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-2400000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":-800000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":1900000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":900000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":1900000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"GainLossOnDispositionOfAssets":{"label":"Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property","description":"Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-240000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-113000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":-60000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-60000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-14000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-36000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-296000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-296000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":-304000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-304000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-12000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-31000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":-97000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":-158000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"}]}},"GainLossOnSaleOfInvestments":{"label":"Gain (Loss) on Sale of Investments","description":"The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":852000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-25000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":61000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"}]}},"GeneralAndAdministrativeExpense":{"label":"General and Administrative Expense","description":"The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":14428000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":22080000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":9198000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":28777000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":28777000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":6678000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":14505000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":7827000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":22018000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":22018000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":7513000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":7513000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":29856000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":29856000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":29856000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":8564000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":8564000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":17188000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":17188000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":8624000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":8624000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":25947000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":25947000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":8759000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":8759000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":35438000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":35438000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":35438000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":10698000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":10698000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":21468000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":21468000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":10770000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":10770000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":36340000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":36340000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":14872000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":14872000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":47338000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":47338000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":10772000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":10772000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":21741000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":21741000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":10969000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":10969000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":31958000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":31958000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":10217000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":10217000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":42042000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":10944000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":21282000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":10338000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":33648000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":12366000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2012-02-29","val":28430000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012Q1I"},{"end":"2013-02-28","val":33778000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":33778000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-02-28","val":33778000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013Q1I"},{"end":"2013-11-30","val":36026000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":36014000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":36014000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":36014000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":36014000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":36014000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":35969000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":41025000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":40571000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":39742000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":39742000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":39742000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":39742000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":39742000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":39598000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":40063000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":69647000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":69595000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":69595000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":69595000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":69595000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":69595000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":70160000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":70163000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":69817000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":69795000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":69795000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":69795000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":69795000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":70199000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":70653000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":98135000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-03-01","end":"2013-11-30","val":1899000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":1825000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1825000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-08-31","val":5376000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":5376000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":5376000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-08-31","val":336000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":30325000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2016-02-29","val":30054000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":409000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":409000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":409000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":409000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-11-30","val":28034000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"GoodwillForeignCurrencyTranslationGainLoss":{"label":"Goodwill, Foreign Currency Translation Gain (Loss)","description":"Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.","units":{"USD":[{"start":"2016-03-01","end":"2016-08-31","val":159000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":-187000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":-209000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":404000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":858000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":851000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2012-03-01","end":"2013-02-28","val":-5580000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"}]}},"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":"2012-03-01","end":"2013-02-28","val":-232000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":349000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":411000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":411000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-45000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-365000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":-819000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":-1648000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-144000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-15000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":-420000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2016-02-29","val":-201000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":156000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"}]}},"GoodwillWrittenOffRelatedToSaleOfBusinessUnit":{"label":"Goodwill, Written off Related to Sale of Business Unit","description":"Amount of divestiture 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":"2017-03-01","end":"2017-11-30","val":545000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"GrossProfit":{"label":"Gross Profit","description":"Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":125954000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":113780000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":40033000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":153843000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":153843000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":43203000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":87586000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":44383000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":132955000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":132955000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":45369000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":45369000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":180019000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":180019000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":180019000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":51803000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":51803000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":106411000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":106411000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":54608000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":54608000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":162380000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":162380000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":55969000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":55969000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":218779000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":218779000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":218779000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":62008000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":62008000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":124444000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":124444000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":62436000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":62436000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":186179000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":186179000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":61735000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":61735000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":250026000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":250026000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":66413000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":66413000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":134103000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":134103000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":67690000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":67690000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":201811000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":201811000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":67708000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":67708000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":268877000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":70531000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":139658000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":69127000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":212307000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":72649000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"ImpairmentOfLongLivedAssetsHeldForUse":{"label":"Impairment of Long-Lived Assets Held-for-use","description":"The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":1200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1200000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Domestic","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":5226000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-9206000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-9206000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-6165000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-6165000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-6165000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":-7326000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-7326000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-7326000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-7792000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-7792000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":12276000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2012-03-01","end":"2013-02-28","val":-13269000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":-9968000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-2891000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-10952000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-10952000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":751000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":1197000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":446000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-2166000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-2166000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-3363000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-3363000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-4596000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-4596000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-4596000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-1390000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-1390000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-1599000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-1599000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-209000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-209000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-9978000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-9978000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-8379000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-8379000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-7149000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-7149000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":6094000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":6094000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":13740000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":13740000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":7646000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":7646000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":16862000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":16862000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":3122000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":3122000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":21988000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":5195000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":7107000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":1912000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":19500000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":12393000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Foreign","description":"The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-5933000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-4063000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-4063000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-4787000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-4787000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-4787000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":2730000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":2730000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":2730000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":643000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":643000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":9712000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":-707000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-8614000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-3199000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-13269000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-3610000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-7077000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-3467000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-9968000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-2891000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-10952000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":751000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":1197000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":446000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3"}]}},"IncomeLossFromEquityMethodInvestments":{"label":"Income (Loss) from Equity Method Investments","description":"Amount of income (loss) for proportionate share of equity method investee's income (loss).","units":{"USD":[{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-08-31","val":-200000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-100000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-300000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-100000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-400000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-400000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":-300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":-453000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-2369000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-1076000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-5084000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-5084000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-1047000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-2136000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-1089000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-2735000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-2735000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-599000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-599000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-6565000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-6565000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-6565000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":600000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":600000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":308000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":308000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":-292000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":-292000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-3019000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-3019000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-3327000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-3327000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":62902000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":62902000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":62902000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2442000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2442000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":4472000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":4472000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":2030000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":2030000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-2321000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-2321000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-6793000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-6793000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-2727000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-2727000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":3310000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":3310000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":8519000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":8519000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":5209000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":5209000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":9848000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":9848000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1329000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1329000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":11753000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":2523000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":2881000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":358000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":7491000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":4610000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"IncomeTaxesPaidNet":{"label":"Income Taxes Paid, Net","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":8142000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":3408000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":3408000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":2565000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":2565000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":2565000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":3191000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":3191000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":3191000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":353000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":353000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":7938000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2013-03-01","end":"2014-02-28","val":346000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":346000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":346000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":58685000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":58685000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":58685000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":1674000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1674000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":3291000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"IncomeTaxReconciliationDeductionsQualifiedProductionActivities":{"label":"Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount","description":"Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1023000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":760000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":760000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":445000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":445000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":445000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":63000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":63000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":769000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":1373000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":535000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":535000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":790000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":790000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":790000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":2730000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":2730000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":2730000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-2752000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-2752000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":941000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":-247000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-4644000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-4644000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-3833000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-3833000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-3833000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":-1608000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-1608000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-1608000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-2502000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-2502000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":7696000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":146000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":289000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":289000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":736000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":736000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":736000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":823000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":823000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":823000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":368000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":368000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":295000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost":{"label":"Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount","description":"Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":461000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":910000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":910000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":1227000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1227000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1227000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":520000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":520000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":520000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":2134000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":2134000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1241000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"IncomeTaxReconciliationOtherAdjustments":{"label":"Effective Income Tax Rate Reconciliation, Other Adjustments, 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 other adjustments.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-14000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-72000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-72000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-199000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-199000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-199000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":153000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":153000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":153000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-57000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-57000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":-197000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"IncomeTaxReconciliationStateAndLocalIncomeTaxes":{"label":"Effective Income Tax Rate Reconciliation, State and Local 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 state and local income tax expense (benefit).","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-423000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-11000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-11000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-713000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-713000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-713000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":4845000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":4845000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":4845000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-363000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-363000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1071000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"IncomeTaxReconciliationTaxCreditsResearch":{"label":"Effective Income Tax Rate Reconciliation, Tax Credit, Research, 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 research tax credit.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":726000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":1331000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1331000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":933000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":933000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":933000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":1792000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":1792000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":1792000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":2482000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":2482000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1995000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"IncreaseDecreaseInAccountsPayable":{"label":"Increase (Decrease) in Accounts Payable","description":"The increase (decrease) during the reporting period in the aggregate amount 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.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":2085000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-2492000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":3206000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":3206000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-3490000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-264000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-2307000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-2307000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":1183000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1183000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1183000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-4579000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":-4579000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-1267000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":-1267000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":-404000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-404000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":2835000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":2835000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":2835000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-3113000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-3113000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":2225000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":2225000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":-1677000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-1677000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-720000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-720000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":-3283000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":-3283000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-6679000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-6679000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-4889000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-4889000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":-5388000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1320000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-3043000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":-63000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":4025000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-121000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":1582000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1582000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":1200000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":1016000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":4541000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":4541000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":3631000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":3631000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":3631000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":5094000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":5094000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":8527000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":8527000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":12785000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":12785000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":12945000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":12945000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":12945000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2339000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2339000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":2143000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":2143000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":1073000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":1073000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-4427000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-4427000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":-1015000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":-1015000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-2732000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-2732000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":3054000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":3054000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":4103000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-872000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":318000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":1531000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"IncreaseDecreaseInDeferredCharges":{"label":"Increase (Decrease) in Deferred Charges","description":"The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":10931000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":8045000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":10214000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":10214000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":3086000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":6588000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":8801000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":8801000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":10809000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":10809000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":10809000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":2282000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":2282000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":4412000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":4412000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":6088000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":6088000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":8189000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":8189000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":8189000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":1379000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":1379000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":2284000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":2284000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":1497000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":1497000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":1112000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1112000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":26000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":26000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-340000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-340000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-567000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-567000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":725000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1424000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":4738000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":5294000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"IncreaseDecreaseInDeferredRevenue":{"label":"Increase (Decrease) in Deferred Revenue","description":"Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":56631000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":33111000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":44192000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":44192000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":13222000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":25522000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":37477000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":37477000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":51797000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":51797000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":51797000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":15340000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":15340000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":29573000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":29573000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":44247000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":44247000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":59341000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":59341000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":59341000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":8013000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":8013000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":16752000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":16752000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":17934000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":17934000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":19003000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":19003000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":277000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":277000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":4456000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":4456000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":8916000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":8916000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":14537000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1461000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":7755000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":12565000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"IncreaseDecreaseInEmployeeRelatedLiabilities":{"label":"Increase (Decrease) in Employee Related Liabilities","description":"The increase (decrease) during the reporting period in the aggregate amount of obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":443000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":5769000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":2791000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":2791000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-1119000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-1883000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-1429000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-1429000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":-212000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-212000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-212000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":23000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":23000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-29000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":-29000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":303000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":303000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":1959000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":1959000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":1959000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-61000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-61000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":2298000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":2298000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":3721000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":3721000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":3339000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":3339000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":69000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":69000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":1126000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":1126000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":898000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":898000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1033000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-1262000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-641000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":629000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"IncreaseDecreaseInIncomeTaxes":{"label":"Increase (Decrease) in Income Taxes","description":"The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":2210000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-6179000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":4403000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":4403000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-4746000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-514000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":2547000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":2547000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":2696000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":2696000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":2696000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1024000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":1024000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":3073000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":3073000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":3140000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":3140000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":-485000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-485000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-485000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2289000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2289000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":4019000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":4019000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":883000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":883000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":2756000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":2756000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":1452000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":1452000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":3598000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":3598000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":3138000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":3138000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1931000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":9356000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":8122000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":10594000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"IncreaseDecreaseInInventories":{"label":"Increase (Decrease) in Inventories","description":"The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1219000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-302000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":-278000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-278000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":363000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":1515000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":1227000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":1227000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":509000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":509000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":509000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-730000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":-730000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-463000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":-463000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":-507000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-507000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":-1189000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-1189000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-1189000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":263000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":263000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1125000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":1125000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":1664000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":1664000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":1193000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1193000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":363000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":363000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":83000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":83000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-931000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-931000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":202000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":666000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":744000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":2485000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":1274000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":5121000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":2349000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":2349000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-554000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-303000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":1211000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":1211000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":-18000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-18000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-52000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":476000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":1787000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":3478000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"}]}},"IncreaseDecreaseInOtherCurrentAssets":{"label":"Increase (Decrease) in Other Current Assets","description":"Amount of increase (decrease) in current assets classified as other.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-150000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":1892000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":60000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":60000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":513000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":902000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-17000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-17000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":456000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":456000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":29000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":247000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":161000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":887000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"}]}},"IncreaseDecreaseInOtherNoncurrentAssets":{"label":"Increase (Decrease) in Other Noncurrent Assets","description":"Amount of increase (decrease) in noncurrent assets classified as other.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":172000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":202000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":61000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":61000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":207000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-211000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-383000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-383000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":-108000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-108000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-100000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":-141000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":1271000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"}]}},"IncreaseDecreaseInOtherNoncurrentLiabilities":{"label":"Increase (Decrease) in Other Noncurrent Liabilities","description":"Amount of increase (decrease) in noncurrent operating liabilities classified as other.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-200000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":88000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":114000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":114000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":21000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":71000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":331000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":331000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":405000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":405000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":21000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":55000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":57000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":88000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"}]}},"IncreaseDecreaseInOtherOperatingAssets":{"label":"Increase (Decrease) in Other Operating Assets","description":"Amount of increase (decrease) in operating assets classified as other.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":348000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":30000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":147000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":20000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":2158000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":2158000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-283000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-283000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":933000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":933000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":1799000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":1799000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":2187000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":2187000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":1669000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":1646000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":575000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":597000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":469000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":469000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":888000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":4211000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":5027000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":6389000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"IncreaseDecreaseInOtherOperatingLiabilities":{"label":"Increase (Decrease) in Other Operating Liabilities","description":"Amount of increase (decrease) in operating liabilities classified as other.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":387000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-31000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":531000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":1844000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":3566000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":3566000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-352000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-352000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":53000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":53000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":3780000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":3780000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-1526000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-1526000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":-255000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":-255000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-762000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-762000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-646000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-646000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":397000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":351000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-481000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":1957000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":10050000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"}]}},"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":"2011-03-01","end":"2012-02-29","val":1440000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2014-03-01","end":"2014-05-31","val":2449000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":2449000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":2263000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":2263000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":2076000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":2076000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":2130000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":2130000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":569000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":569000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":813000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":813000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":1056000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":1056000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":1055000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":1055000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1538000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1538000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":1116000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1454000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":1512000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":1569000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":1547000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":1617000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2013-02-28","val":7983000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":7983000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":9383000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":8420000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":8420000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":8420000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":8420000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":8420000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":7440000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":10652000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":9873000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":9217000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":9217000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":9217000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":9217000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":9217000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":8627000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":8748000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":41106000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":39386000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":39386000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":39386000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":39386000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":39386000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":37516000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":35660000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":33904000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":32145000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":32145000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":32145000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":32145000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":30418000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":28692000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":52111000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"InterestAndOtherIncome":{"label":"Interest and Other Income","description":"The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":788000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":579000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":579000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":344000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":344000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":468000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"InterestExpense":{"label":"Interest Expense","description":"Amount of the cost of borrowed funds accounted for as interest expense.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":28000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":357000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":357000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":310000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":310000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":296000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"InterestExpenseOther":{"label":"Interest Expense, Other","description":"Amount of interest expense classified as other.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":604000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":417000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":417000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":308000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":308000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":285000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":36000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":485000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":485000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":447000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":447000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":447000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":326000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":326000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":326000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":287000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":287000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":264000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"InventoryFinishedGoods":{"label":"Inventory, Finished Goods, Gross","description":"Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.","units":{"USD":[{"end":"2013-02-28","val":2789000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":3759000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":3759000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":3759000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":3759000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":3759000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":3421000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":3500000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":3774000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":2729000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":2729000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":2729000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":2729000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":2729000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":3108000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":3448000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":3623000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":3659000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":3659000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":3659000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":3659000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":3659000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":3313000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":2840000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":2647000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":2878000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":2878000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":2878000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":2878000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":2681000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3275000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":3782000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"InventoryFinishedGoodsNetOfReserves":{"label":"Inventory, Finished Goods, Net of Reserves","description":"Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.","units":{"USD":[{"end":"2013-02-28","val":2096000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q1I"},{"end":"2013-11-30","val":3378000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"}]}},"InventoryNet":{"label":"Inventory, Net","description":"Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2013-02-28","val":5138000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":5138000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":6365000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":5648000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":5648000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":5648000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":5648000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":5648000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":4918000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":5183000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":5137000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":4454000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4454000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":4454000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":4454000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":4454000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":4717000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":5579000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":6119000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":5648000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":5648000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":5648000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":5648000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":5648000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":6011000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":5746000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":4711000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":5847000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":5847000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":5847000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":5847000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":6443000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":6520000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":8259000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"InventoryRawMaterials":{"label":"Inventory, Raw Materials, Gross","description":"Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.","units":{"USD":[{"end":"2013-02-28","val":3042000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":3038000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":3038000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":3038000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":3038000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":3038000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":2574000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":2677000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":2218000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":2455000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":2455000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":2455000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":2455000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":2455000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":2389000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":2802000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":3237000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":2459000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":2459000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":2459000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":2459000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":2459000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":3098000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":3485000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":2696000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":3479000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":3479000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":3479000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":3479000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":4229000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3787000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":4959000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"InventoryRawMaterialsNetOfReserves":{"label":"Inventory, Raw Materials, Net of Reserves","description":"Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.","units":{"USD":[{"end":"2013-02-28","val":3042000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q1I"},{"end":"2013-11-30","val":2987000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"}]}},"InventoryValuationReserves":{"label":"Inventory Valuation Reserves","description":"Amount of valuation reserve for inventory.","units":{"USD":[{"end":"2013-02-28","val":693000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":1149000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":1149000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":1149000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":1149000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":1149000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":1077000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":994000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":855000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":730000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":730000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":730000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":730000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":730000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":780000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":671000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":741000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":470000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":470000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":470000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":470000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":470000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":400000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":579000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":632000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":510000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":510000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":510000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":510000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":467000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":542000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":482000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":212248000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":212248000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":327860000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":350056000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":366177000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":399678000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":425840000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":389345000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":389345000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":400423000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":421324000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":429944000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":419804000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":419804000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":430713000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":435982000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":453718000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":464774000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":464774000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":464774000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":464774000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":469108000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":476651000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":509714000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":179259000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":179259000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":191458000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":199670000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":199670000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":199670000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":199670000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":199670000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":203917000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":218917000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":232527000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":251196000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":251196000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":251196000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":251196000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":251196000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":254785000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":268965000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":279313000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":283484000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":283484000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":283484000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":283484000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":283484000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":282377000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":286015000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":287004000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":281885000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":281885000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":281885000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":281885000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":283289000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":276825000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":290465000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"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":"2013-12-31","val":25000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-12-31","val":25000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013Q4I"},{"end":"2014-02-28","val":25000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2014-02-28","val":25000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2014Q1I"},{"end":"2017-02-28","val":25000000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":25000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":25000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":25000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage":{"label":"Line of Credit Facility, Unused Capacity, Commitment Fee Percentage","description":"The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.","units":{"pure":[{"start":"2013-12-01","end":"2013-12-31","val":0.002,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"}]}},"LitigationSettlementAmount":{"label":"Litigation Settlement, Amount (Deprecated 2017-01-31)","description":"Amount of judgment or settlement awarded to (against) the entity in respect of litigation.","units":{"USD":[{"start":"2015-05-01","end":"2015-05-31","val":-38930,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-05-01","end":"2015-05-31","val":-38930,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-05-01","end":"2015-05-31","val":-38930,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q2I"},{"end":"2015-11-11","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","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":"2014-02-28","val":4872000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":5286000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":4753000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"}]}},"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":"2014-02-28","val":237000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"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":"2014-02-28","val":4115000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"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":"2014-02-28","val":268000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"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":"2014-02-28","val":252000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"LongTermNotesPayable":{"label":"Notes Payable, Noncurrent","description":"Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.","units":{"USD":[{"end":"2013-02-28","val":4872000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":4872000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":4695000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":4635000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":4635000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":4635000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":4635000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":4635000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":4572000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":4510000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":4447000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":4383000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4383000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":4383000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":4383000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":4383000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":4317000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":4251000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":4184000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":4115000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":4115000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":4115000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":4115000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":4115000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":4044000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount":{"label":"Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)","description":"This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.","units":{"USD":[{"start":"2014-03-01","end":"2014-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"}]}},"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":"2013-02-28","val":-2485000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-02-28","val":-2485000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-30","val":-3046000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"}]}},"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":"2011-03-01","end":"2012-02-29","val":3986000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":200000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":200000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"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":"2013-11-30","val":0.67,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-11-30","val":0.67,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0.67,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014Q1I"}]}},"MoneyMarketFundsAtCarryingValue":{"label":"Money Market Funds, at Carrying Value","description":"Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and so forth) which are highly liquid (that is, readily convertible to known amounts of cash) and so near their maturity that they present an insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.","units":{"USD":[{"end":"2014-02-28","val":94548000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":94548000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":94548000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-08-31","val":94655000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":83449000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":54186000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":54186000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":54186000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":54186000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":54186000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":52184000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":52281000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":58469000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":58402000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":58402000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":58402000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":58402000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":58402000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":56304000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":55532000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":24940000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":16468000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":16468000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":16468000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":16468000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":16156000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":16003000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":16994000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2011-03-01","end":"2012-02-29","val":-5048000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-126578000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":-127111000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":79197000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":78503000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","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":"2012-03-01","end":"2013-02-28","val":-127111000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-1814000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":195000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":79197000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":78503000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":78503000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":2464000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":2464000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":9056000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":9056000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":16052000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":16052000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":21704000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":21704000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":21704000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2721000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2721000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":744000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":744000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":-8831000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-8831000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-20396000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-20396000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":1237000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":1237000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-4260000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-4260000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-4118000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-4118000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":-4117000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-7882000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-12838000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":-14887000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":-11120000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-7019000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":-8504000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":-14670000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":-14913000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","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":"2012-03-01","end":"2013-02-28","val":-8504000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-7839000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-13342000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":-14670000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":-14913000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-14913000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-2189000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":-2189000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-9166000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":-9166000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":-24476000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-24476000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":-59539000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-59539000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-59539000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-4140000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-4140000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-6938000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-6938000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":-59073000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-59073000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-61744000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-61744000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":-5158000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":-5158000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-8313000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-8313000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-40959000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-40959000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":-59364000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-6261000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-14299000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":-64632000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":43926000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":30611000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":39375000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":22676000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":42210000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","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":"2012-03-01","end":"2013-02-28","val":39375000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":194000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":12083000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":22676000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":42210000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":42210000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":5407000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":5407000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":20882000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":20882000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":33074000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":33074000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":54104000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":54104000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":54104000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":6302000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":6302000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":28619000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":28619000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":33871000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":33871000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":49266000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":49266000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":12114000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":12137000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":32629000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":32607000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":47711000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":47711000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":65203000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":20209000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":31210000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":54915000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":605000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-5633000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-1973000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-7391000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-7391000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-2404000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-4579000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-2175000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-6672000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-6672000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-2093000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-2093000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-3626000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-3626000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-3626000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":151000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":151000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":889000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":889000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":738000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":738000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":853000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":853000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-36000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-36000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-67498000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-67498000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-67498000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-3832000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-3832000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-6071000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-6071000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-2239000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-2239000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-7657000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-7657000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-1586000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-1586000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-4422000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-4422000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":2784000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":2784000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":5221000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":5221000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":2437000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":2437000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":7014000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":7014000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1793000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1793000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":10235000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":2672000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":4226000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":1554000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":12009000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":7783000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"NetIncomeLossAttributableToNoncontrollingInterest":{"label":"Net Income (Loss) Attributable to Noncontrolling Interest","description":"Amount of Net Income (Loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-859000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-612000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-150000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-794000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-794000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-159000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-362000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-203000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-561000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-561000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-199000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-199000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-761000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-761000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-761000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"NetIncomeLossAttributableToParentDiluted":{"label":"Net Income (Loss) Attributable to Parent, Diluted","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":605000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-7391000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-2404000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-4579000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-2175000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-6672000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-2093000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-3626000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":151000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":889000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":738000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":853000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-36000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4"}]}},"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":"2011-03-01","end":"2012-02-29","val":466000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-9203000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-9203000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-3626000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-3626000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":-67498000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"}]}},"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":"2011-03-01","end":"2012-02-29","val":605000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-9203000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-3626000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"}]}},"NoncashOrPartNoncashAcquisitionPayablesAssumed1":{"label":"Noncash or Part Noncash Acquisition, Payables Assumed","description":"\"The amount of payables that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but 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":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":5332000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"}]}},"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":"2013-02-28","val":37960000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":46981000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":46981000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":59677000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":59677000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":66222000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":66222000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":65871000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"NonoperatingIncomeExpense":{"label":"Nonoperating Income (Expense)","description":"The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":476000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-526000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":362000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-839000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-839000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-457000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-450000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":7000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-329000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-329000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":121000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":121000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":51000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":51000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":51000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-57000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":-57000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-738000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":-738000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":-681000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":-681000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-2527000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":-2527000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-1789000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-1789000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-3674000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-3674000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-3674000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-568000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-568000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-471000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-471000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":97000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":97000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-866000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-866000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-395000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-395000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-262000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-262000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":990000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":990000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":2505000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":2505000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":1515000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":1515000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":131000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":131000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-2374000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-2374000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":-70000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1184000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":2308000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":1124000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":2640000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":332000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"NotesPayable":{"label":"Notes Payable","description":"Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2011-12-31","val":5300000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011Q4I"}]}},"NotesPayableCurrent":{"label":"Notes Payable, Current","description":"Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.","units":{"USD":[{"end":"2013-02-28","val":222000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":222000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":233000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":237000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":237000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":237000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":237000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":237000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":240000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":244000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":248000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":252000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":252000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":252000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":252000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":252000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":255000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":259000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":264000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":268000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":268000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":268000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":268000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":268000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":273000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":4251000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":4184000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":4115000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":4115000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":4115000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":4115000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":4044000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"NumberOfReportableSegments":{"label":"Number of Reportable Segments","description":"Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.","units":{"Segment":[{"start":"2013-03-01","end":"2014-02-28","val":1,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2015-02-28","val":1,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":1,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":1,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2016-02-29","val":1,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":1,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":1,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":1,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":1,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":1,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"OciBeforeReclassificationsNetOfTaxAttributableToParent":{"label":"OCI, before Reclassifications, Net of Tax, Attributable to Parent","description":"Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.","units":{"USD":[{"start":"2015-03-01","end":"2016-02-29","val":-266000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":944000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-4000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":150000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":13000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":982000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":2140000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":2011000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":127137000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":121868000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":43594000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":166273000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":166273000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":46356000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":94213000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":47857000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":142594000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":142594000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":48381000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":48381000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":191022000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":191022000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":191022000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":50995000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":50995000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":104476000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":104476000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":53481000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":53481000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":162019000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":162019000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":57543000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":57543000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":219701000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":219701000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":219701000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":62830000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":62830000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":125572000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":125572000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":62742000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":62742000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":195291000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":195291000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":69719000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":69719000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":256913000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":256913000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":61309000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":61309000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":122868000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":122868000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":61559000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":61559000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":185080000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":185080000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":62212000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":62212000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":246819000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":66520000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":134859000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":68339000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":202829000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":67970000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"OperatingIncomeLoss":{"label":"Operating Income (Loss)","description":"The net result for the period of deducting operating expenses from operating revenues.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-1183000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-8088000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-3561000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-12430000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-12430000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-3153000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-6627000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-3474000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-9639000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-9639000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-3012000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-3012000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-11003000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-11003000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-11003000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":808000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":808000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":1935000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":1935000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":1127000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":1127000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":361000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":361000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-1574000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-1574000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-922000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-922000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-922000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-822000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-822000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-1128000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-1128000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-306000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-306000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-9112000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-9112000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-7984000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-7984000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-6887000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-6887000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":5104000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":5104000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":11235000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":11235000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":6131000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":6131000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":16731000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":16731000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":5496000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":5496000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":22058000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":4011000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":4799000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":788000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":9478000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":4679000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2014-02-28","val":7230000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":7024000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":9317000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":7226000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2014-02-28","val":2072000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":2229000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":3178000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":3197000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2014-02-28","val":415000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":406000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":461000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"}]}},"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":"2014-02-28","val":1295000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":735000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1243000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":443000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2014-02-28","val":1707000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":1586000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1819000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":1316000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2014-02-28","val":1741000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":2068000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":2616000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":2270000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"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":"2011-03-01","end":"2012-02-29","val":2600000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":2000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":2000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":2900000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":2900000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":2900000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":3100000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":3100000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":3100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":3500000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":3500000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":3800000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"OtherAssetsCurrent":{"label":"Other Assets, Current","description":"Amount of current assets classified as other.","units":{"USD":[{"end":"2013-02-28","val":3216000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":3216000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":3253000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":3753000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":3753000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":3753000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":3753000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":3753000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":3853000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":4300000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":4293000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":4015000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4015000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":4015000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":4015000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":4015000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":3985000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":4615000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":4786000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":4805000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":4805000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":4805000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":4805000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":4805000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":6746000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":5466000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":4990000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":5245000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":5245000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":5245000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":5245000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":7938000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":7366000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":9221000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"OtherAssetsNoncurrent":{"label":"Other Assets, Noncurrent","description":"Amount of noncurrent assets classified as other.","units":{"USD":[{"end":"2013-02-28","val":1637000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":1637000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":1724000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":1851000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":1851000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":1851000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":1851000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":1851000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":2461000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":2033000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":2390000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":4123000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4123000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":4123000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":4123000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":4123000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":4059000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":5128000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":7978000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":7293000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":7293000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":7293000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":7293000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":7293000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":8039000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":7970000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":8158000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":8607000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":8607000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":8607000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":8607000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":10166000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":15320000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":21646000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent","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, attributable to parent entity.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-85000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":-511000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-511000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-315000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-34000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":281000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":433000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":467000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":352000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":352000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":352000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":31000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-575000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":-606000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-1539000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-964000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-3408000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-3408000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-3408000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-669000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-669000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":-60000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","description":"Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-318000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-595000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-157000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-80000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-80000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-67000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-205000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-138000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-189000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-189000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":16000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":16000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-57000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-57000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-57000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-11-30","val":8000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":8000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":8000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":8000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-8000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-8000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-8000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":1852000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":1852000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1120000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":1120000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-732000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-732000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":1037000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":1037000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-83000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-83000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":393000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":393000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":337000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":337000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-362000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-362000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":-699000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":-699000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":-698000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-698000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-336000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-336000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":-657000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":86000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":159000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":73000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":-154000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":-313000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2013-03-01","end":"2013-05-31","val":-382000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-11-30","val":244000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":333000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":31000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-575000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-11-30","val":-1531000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":-3416000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":1804000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1446000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":659000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"}]}},"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":"2011-03-01","end":"2012-02-29","val":-15000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-730000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":307000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-511000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-511000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":433000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":467000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":352000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":352000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":352000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":31000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-575000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":-606000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-1539000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-964000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-3408000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-3408000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-3408000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-51000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-51000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":324000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":324000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":375000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":375000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-386000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-386000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-710000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-710000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":-669000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-669000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":334000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":334000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-374000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-374000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":-708000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":-708000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":119000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":119000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":493000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":493000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":-60000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":901000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":1991000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":1090000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":2181000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":190000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2013-03-01","end":"2013-05-31","val":-382000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-11-30","val":244000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":295000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":31000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":31000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-575000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":-606000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-1531000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":-956000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2015-03-01","end":"2015-05-31","val":1801000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":1801000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1444000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":1444000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-357000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-357000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":651000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":651000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-793000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-793000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2016-03-01","end":"2016-05-31","val":671000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":671000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-736000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-736000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":-1407000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":-1407000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":-579000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-579000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":157000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":157000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2017-03-01","end":"2017-05-31","val":987000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":2150000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":1163000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":2027000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":-123000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2011-03-01","end":"2012-02-29","val":-403000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-1325000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":150000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-591000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-591000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-382000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-239000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":143000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":244000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":244000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":483000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":483000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":295000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":295000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":295000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":31000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-575000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":-606000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":-1531000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-956000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-3416000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-3416000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-3416000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-276000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-276000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":671000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-736000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":-579000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":-717000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":987000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":2150000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":2027000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax","description":"Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-528000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":14000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":14000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":38000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":38000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":38000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":3000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":3000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":2000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":2000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-1000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-1000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":8000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":8000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":6000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":6000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":10000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":10000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":273000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":273000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":732000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":732000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":459000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":459000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":729000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":729000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-3000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-3000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":730000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-5000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-10000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":-5000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":-16000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":-6000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax","description":"Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":328000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":8000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":8000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":23000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":23000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":23000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":1000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":-5000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":5000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-3000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":3000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":5000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":5000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":147000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":147000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":394000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":394000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":247000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":247000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":393000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-393000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-1000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":1000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":393000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-2000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-6000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":-4000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":9000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":3000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax","description":"Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":-846000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-595000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-157000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-66000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-66000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-67000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-205000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-138000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-189000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-189000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":16000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":16000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-19000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-19000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-19000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-11-30","val":8000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":8000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":8000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":8000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-8000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-8000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-8000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":1855000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":1855000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":1122000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":1122000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":-733000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":-733000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":1045000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":1045000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":-77000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":-77000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":403000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":403000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":610000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":610000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":370000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":370000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":-240000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":-240000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":31000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":31000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-339000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":-339000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":73000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":81000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":149000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":68000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":-170000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":-319000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax","description":"Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":519000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":360000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":95000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":40000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":40000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":41000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-126000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-85000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":113000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-113000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":18000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":18000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":13000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":13000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":13000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":0,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":0,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":5000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":5000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":5000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":5000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":5000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":5000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":5000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"OtherIndefiniteLivedIntangibleAssets":{"label":"Other Indefinite-lived Intangible Assets","description":"Amount after impairment of indefinite-lived intangible assets classified as other. Excludes financial assets and goodwill.","units":{"USD":[{"end":"2013-02-28","val":409000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":409000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":437000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":437000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":437000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":437000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":437000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":437000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":437000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":296000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":296000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":296000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":296000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":296000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":300000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":296000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":296000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":300000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":200000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":200000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":200000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":200000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":200000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":200000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":200000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":200000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":200000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":200000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":200000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":200000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":200000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":200000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":4537000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":4537000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":4873000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":5727000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":5727000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":5727000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":5727000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":5727000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":5748000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":7664000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":7606000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":7201000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":7201000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":7201000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":7201000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":7201000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":7504000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":7769000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":7139000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":4462000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":4462000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":4462000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":4462000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":4462000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":4654000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":4901000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":5332000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":6377000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":6377000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":6377000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":6377000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":6425000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":6776000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":7394000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"OtherNonoperatingIncomeExpense":{"label":"Other Nonoperating Income (Expense)","description":"Amount of income (expense) related to nonoperating activities, classified as other.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":-219000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":-278000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-278000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-284000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-284000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":545000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"OtherOperatingActivitiesCashFlowStatement":{"label":"Other Operating Activities, Cash Flow Statement","description":"Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).","units":{"USD":[{"start":"2012-03-01","end":"2013-02-28","val":25000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":-61000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":243000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":12000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":31000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":107000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":204000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":328000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":486000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":486000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":337000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":337000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":670000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":670000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":894000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":894000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-865000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-865000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":-225000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":-225000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":-728000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":-728000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":-555000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":-555000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":-493000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-511000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-261000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":88000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities":{"label":"Other than Temporary Impairment Losses, Investments, Available-for-sale Securities","description":"The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.","units":{"USD":[{"start":"2017-03-01","end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentForContingentConsiderationLiabilityFinancingActivities":{"label":"Payment for Contingent Consideration Liability, Financing Activities","description":"Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.","units":{"USD":[{"start":"2016-03-01","end":"2016-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-03-01","end":"2017-05-31","val":742000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":743000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":742000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentsForProceedsFromProductiveAssets":{"label":"Payments for (Proceeds from) Productive Assets","description":"The net cash outflow or inflow from purchases, sales and disposals of property, plant and equipment and other productive assets, including intangibles.","units":{"USD":[{"start":"2016-03-01","end":"2016-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-03-01","end":"2017-05-31","val":250000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":800000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":800000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentsForRepurchaseOfCommonStock":{"label":"Payments for Repurchase of Common Stock","description":"The cash outflow to reacquire common stock during the period.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1186000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":127612000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":127613000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":127613000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":138000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":723000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":723000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":723000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":723000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":723000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":723000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":8000000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":8000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":19216000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":19216000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":280000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":280000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":7241000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":7241000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":7241000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":7241000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":7596000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":6546000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":6546000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":6546000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2012-03-01","end":"2012-11-30","val":313000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":313000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":313000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"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":"2012-03-01","end":"2012-11-30","val":128385000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":128385000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":128385000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":1419000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":1419000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":1419000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":1419000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":1419000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1419000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1419000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"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":"2013-03-01","end":"2013-08-31","val":147000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"}]}},"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":"2012-03-01","end":"2013-02-28","val":615000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":465000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":1191000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":798000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":3101000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":3101000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1125000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":1125000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":2340000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":2340000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":3854000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":3854000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":5369000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":5369000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":5369000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":2176000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":2176000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":4026000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":4026000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":5969000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":5969000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":6734000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":6734000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":1554000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":1554000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":2544000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":2544000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":6003000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":6003000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":7061000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1866000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":4474000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":7823000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentsToAcquireAvailableForSaleSecurities":{"label":"Payments to Acquire Available-for-sale Securities","description":"The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-11-30","val":11488000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":41977000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":41977000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":41977000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":8493000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":8493000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":14240000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":14240000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":19040000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":19040000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":26021000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":26021000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":11572000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":11572000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":21777000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":21777000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":59561000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":59561000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":74527000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":10809000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":21769000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":32810000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentsToAcquireAvailableForSaleSecuritiesDebt":{"label":"Payments to Acquire Debt Securities, Available-for-sale","description":"Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2014-03-01","end":"2014-11-30","val":11488000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"}]}},"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":"2011-03-01","end":"2012-02-29","val":1017000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":4356000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":4357000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":4357000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":6176000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":8475000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":8475000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":8475000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":8475000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":8475000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":8475000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-08-31","val":4791000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":4791000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":4791000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":4791000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":4791000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":4791000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":4791000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":749000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":749000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":56862000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":56862000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":56862000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":56862000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":183000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":183000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":243000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":243000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":243000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":243000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":6950000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":506000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":506000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":51668000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentsToAcquireEquityMethodInvestments":{"label":"Payments to Acquire Equity Method Investments","description":"The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.","units":{"USD":[{"start":"2011-10-01","end":"2011-10-31","val":750000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2011-10-01","end":"2011-10-31","val":750000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2011-10-01","end":"2011-10-31","val":750000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2011Q3I"},{"start":"2014-10-01","end":"2014-10-31","val":500000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-10-01","end":"2014-10-31","val":500000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-10-01","end":"2014-10-31","val":500000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q3I"},{"end":"2015-02-28","val":1300000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":1300000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q1I"},{"start":"2015-08-01","end":"2015-08-31","val":400000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-08-01","end":"2015-08-31","val":400000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q3I"}]}},"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":"2011-03-01","end":"2012-02-29","val":366000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-08-31","val":28000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":28000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":28000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":28000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":28000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":28000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-11-30","val":38000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":38000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":38000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":38000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":38000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-08-31","val":1000000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":1000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":1374000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":1374000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1374000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentsToAcquireInvestments":{"label":"Payments to Acquire Investments","description":"The cash outflow associated with the purchase of all investments (debt, security, other) during the period.","units":{"USD":[{"start":"2016-03-01","end":"2016-11-30","val":636000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-03-01","end":"2017-11-30","val":4056000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"PaymentsToAcquireMarketableSecurities":{"label":"Payments to Acquire Marketable Securities","description":"Amount of cash outflow for purchase of marketable security.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1666000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"}]}},"PaymentsToAcquireOtherInvestments":{"label":"Payments to Acquire Other Investments","description":"Amount of cash outflow to acquire investments classified as other.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":750000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2013-03-01","end":"2013-08-31","val":310000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":310000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":310000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":310000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":310000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":310000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":600000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":600000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":600000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":600000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":1100000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":1200000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":1200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":1200000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":350000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":350000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":1400000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":1400000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1400000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":636000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":636000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":636000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":636000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":636000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":1236000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":4000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"}]}},"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":"2011-03-01","end":"2012-02-29","val":8510000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":3051000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":4722000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":4722000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":1663000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":4529000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":5857000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":5857000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":7616000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":7616000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":7616000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":1589000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":1589000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":3775000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":3775000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":7059000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":7059000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":12517000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":12517000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":12517000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":1876000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":1876000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":3443000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":3443000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":5500000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":5500000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":7818000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":7818000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":1949000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":1949000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":2969000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":2969000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":4265000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":4265000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":6335000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":4737000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":7816000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":9145000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"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":"2011-03-01","end":"2012-02-29","val":3986000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":200000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":200000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"PreferredStockAccretionOfRedemptionDiscount":{"label":"Preferred Stock, Accretion of Redemption Discount","description":"The amount of accretion of the preferred stock redemption discount during the period.","units":{"USD":[{"start":"2012-03-01","end":"2013-02-28","val":1812000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1812000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"PreferredStockParOrStatedValuePerShare":{"label":"Preferred Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.","units":{"USD/shares":[{"end":"2013-02-28","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-10-15","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-10-15","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q3I"},{"end":"2013-11-30","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":0.001,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":0.001,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":0.001,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":0.001,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":0.001,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":0.001,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":0.001,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":0.001,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":0.001,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":0.001,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":0.001,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":0.001,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":0.001,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":0.001,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":0.001,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":0.001,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":0.001,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":0.001,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":0.001,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":0.001,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"PreferredStockSharesAuthorized":{"label":"Preferred Stock, Shares Authorized","description":"The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.","units":{"shares":[{"end":"2013-02-28","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-10-15","val":20000000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-10-15","val":20000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q3I"},{"end":"2013-11-30","val":20000000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":20000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":20000000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":20000000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":20000000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":20000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":20000000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":20000000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":20000000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":20000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":20000000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":20000000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":20000000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":20000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":20000000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":20000000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":20000000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":20000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":20000000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":20000000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":20000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":20000000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":20000000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":20000000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":20000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":20000000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":20000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":20000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":20000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":20000000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":20000000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":20000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"PreferredStockSharesIssued":{"label":"Preferred Stock, Shares Issued","description":"Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.","units":{"shares":[{"end":"2013-02-28","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":0,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"PreferredStockSharesOutstanding":{"label":"Preferred Stock, Shares Outstanding","description":"Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.","units":{"shares":[{"end":"2013-02-28","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":0,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":0,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":0,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":0,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"PreferredStockValue":{"label":"Preferred Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2014-02-28","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q1I"},{"end":"2014-05-31","val":0,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":0,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"PrepaidTaxes":{"label":"Prepaid Taxes","description":"Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.","units":{"USD":[{"end":"2013-02-28","val":1120000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":1120000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":297000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":1147000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":1147000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":1147000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":1147000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":1147000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":1222000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":1337000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":1751000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":8245000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":8245000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":8245000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":8245000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":8245000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":7767000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":7879000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":10110000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":7645000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":7645000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":7645000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":7645000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":7645000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":6509000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":5396000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":7511000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":11050000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":11050000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":11050000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":11050000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":1436000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":3107000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":987000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"ProceedsFromDivestitureOfBusinesses":{"label":"Proceeds from Divestiture of Businesses","description":"The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.","units":{"USD":[{"start":"2016-03-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-03-01","end":"2017-11-30","val":2000000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"ProceedsFromIssuanceInitialPublicOffering":{"label":"Proceeds from Issuance Initial Public Offering","description":"The cash inflow associated with the amount received from entity's first offering of stock to the public.","units":{"USD":[{"start":"2013-11-11","end":"2013-11-12","val":75500000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-11-11","end":"2013-11-12","val":75490000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2013-11-30","val":78007000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":78257000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-10-31","end":"2013-11-30","val":78257000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4I"},{"start":"2013-03-01","end":"2014-02-28","val":75490000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":75490000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":75490000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"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":"2012-03-01","end":"2012-11-30","val":125732000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":125732000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":125732000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions":{"label":"Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised","description":"Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":161000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":2452000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":2203000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":5679000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":7000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":441000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":1929000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":1929000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":209000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":3310000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":2340000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":2340000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":7246000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":7246000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":12560000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":16476000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":3248000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":4300000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"}]}},"ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities":{"label":"Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale","description":"Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":735000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":735000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":735000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":3026000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":3026000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":4667000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":4667000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":14527000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":14527000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":20047000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":20047000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":3831000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":3831000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":8018000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":8018000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":13590000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":13590000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":17597000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":5257000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":8342000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":11027000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"ProceedsFromPaymentsForOtherFinancingActivities":{"label":"Proceeds from (Payments for) Other Financing Activities","description":"Amount of cash inflow (outflow) from financing activities classified as other.","units":{"USD":[{"start":"2013-03-01","end":"2013-05-31","val":246000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":3119000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2014-02-28","val":3655000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":-463000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":-70000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2015-02-28","val":-34000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-34000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":-34000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":-156000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":-156000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":-181000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":-181000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":-255000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":-255000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":-330000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":-330000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":0,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ProceedsFromSaleAndMaturityOfMarketableSecurities":{"label":"Proceeds from Sale and Maturity of Marketable Securities","description":"The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1189000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":388000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":575000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":1516000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"}]}},"ProceedsFromSaleOfAvailableForSaleSecurities":{"label":"Proceeds from Sale of Available-for-sale Securities","description":"The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.","units":{"USD":[{"start":"2012-03-01","end":"2013-02-28","val":575000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":1516000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1516000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":249000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":249000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":249000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":3203000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":3203000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":7177000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":7177000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":9202000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":9202000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":10310000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":10310000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":5351000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":5351000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":10294000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":10294000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":11530000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":11530000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":13461000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":4784000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":12250000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":20820000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"ProceedsFromStockOptionsExercised":{"label":"Proceeds from Stock Options Exercised","description":"Amount of cash inflow from exercise of option under share-based payment arrangement.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":3310000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-11-30","val":12560000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":16476000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":16476000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":3248000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":4300000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":4712000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":4712000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":4845000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":4845000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":3031000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":3031000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":4869000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":4869000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":7425000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":7425000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":8899000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":1313000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":3009000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":4362000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"ProductWarrantyExpense":{"label":"Product Warranty Expense","description":"The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":2800000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":4900000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":4900000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":5200000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":5200000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":5200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":4600000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":4600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":4600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":4400000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":4400000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":6600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":-254000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-6245000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-2123000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":-8185000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":-8185000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":-2563000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":-4941000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":-2378000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":-7233000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":-7233000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":-2292000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":-2292000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":-4387000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":-4387000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":-4387000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":151000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":889000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":738000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":853000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":-36000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":-67498000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":-67498000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":-4422000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"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":"2013-02-28","val":23271000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":23271000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":27307000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":28382000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":28382000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":28382000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":28382000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":28382000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":30131000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":32119000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":35460000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":40274000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":40274000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":40274000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":40274000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":40274000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":41884000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":43386000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":49390000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":51689000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":51689000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":51689000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":51689000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":51689000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":53646000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":54353000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":55645000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":58424000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":58424000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":58424000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":58424000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":62982000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":65612000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":66646000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-02-28","val":16972000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":16972000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":20299000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":20558000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":20558000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":20558000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":20558000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":20558000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":21317000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":22230000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":24328000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":27839000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":27839000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":27839000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":27839000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":27839000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":27911000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":27787000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":31845000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":31910000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":31910000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":31910000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":31910000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":31910000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":31468000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":30272000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":29429000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":29979000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":29979000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":29979000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":29979000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":32060000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":32043000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":30824000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2013-03-01","end":"2014-02-28","val":38000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-11-30","val":0,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":3000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":2000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-11-30","val":8000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"}]}},"ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent":{"label":"Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent","description":"Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.","units":{"USD":[{"start":"2015-03-01","end":"2016-02-29","val":10000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":273000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":732000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-11-30","val":729000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":730000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":-5000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":-10000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":-16000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"RepaymentOfNotesReceivableFromRelatedParties":{"label":"Repayment of Notes Receivable from Related Parties","description":"The cash inflow from a loan, supported by a promissory note, granted to related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.","units":{"USD":[{"start":"2013-03-01","end":"2013-11-30","val":1195000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"}]}},"RepaymentsOfNotesPayable":{"label":"Repayments of Notes Payable","description":"The cash outflow for a borrowing supported by a written promise to pay an obligation.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":119000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":139000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":222000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":222000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":56000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":111000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":166000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":166000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-03-01","end":"2014-02-28","val":222000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":222000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":222000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":60000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":60000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":118000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":118000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-03-01","end":"2014-11-30","val":177000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":177000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-03-01","end":"2015-02-28","val":237000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":237000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":237000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":63000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":63000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":125000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":125000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-03-01","end":"2015-11-30","val":221000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":221000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-03-01","end":"2016-02-29","val":285000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":285000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":67000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":67000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":133000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":133000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-03-01","end":"2016-11-30","val":200000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":200000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-03-01","end":"2017-02-28","val":268000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":71000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":4115000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-03-01","end":"2017-11-30","val":4115000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"ResearchAndDevelopmentExpense":{"label":"Research and Development Expense","description":"The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":27824000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":25015000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":8925000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":35167000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":35167000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":10842000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":22480000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":11638000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":34563000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":34563000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":12083000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":12083000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":47142000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":47142000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":47142000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":12952000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":12952000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":26778000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":26778000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":13826000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":13826000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":42167000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":42167000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":15389000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":15389000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":58737000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":58737000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":58737000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":18000000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":18000000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":35502000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":35502000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":17502000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":17502000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":54131000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":54131000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":18629000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":18629000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":71251000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":71251000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":19207000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":19207000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":37653000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":37653000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":18446000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":18446000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":56280000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":56280000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":18627000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":18627000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":75070000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":19356000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":38796000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":19440000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":59412000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":20616000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"RestrictedCashNoncurrent":{"label":"Restricted Cash, Noncurrent","description":"Amount of cash restricted as to withdrawal or usage, classified as noncurrent. 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.","units":{"USD":[{"end":"2017-02-28","val":643000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":643000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":643000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":655000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":660000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":676000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2013-02-28","val":-279131000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":-279131000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":-286359000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":-283441000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":-283441000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":-283441000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":-283441000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":-283441000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2014-05-31","val":-283290000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":-282552000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":-282588000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":-350939000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":-350939000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":-350939000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":-350939000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-02-28","val":-350939000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2015-05-31","val":-354771000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":-357010000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2015-11-30","val":-363908000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":-365080000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":-365080000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":-365080000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":-365080000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":-365080000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":-362463000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":-363920000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":-362126000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":-359149000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":-359149000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":-359149000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":-359149000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":-361097000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":-359543000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":-351756000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"Revenues":{"label":"Revenues","description":"Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":160920000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":146460000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":51427000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":198931000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":198931000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":56277000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":114067000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":57790000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":173453000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":173453000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":59386000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":59386000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":233787000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":233787000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":233787000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":66209000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":66209000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":134861000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":134861000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":68652000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":68652000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":205268000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":205268000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":70407000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":70407000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":277446000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":277446000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":277446000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":77974000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":77974000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":156345000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":156345000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":78371000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":78371000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":236432000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":236432000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":80087000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":80087000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":320158000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":320158000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":86654000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":86654000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":174584000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":174584000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":87930000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":87930000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":263390000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":263390000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":88806000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":88806000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":352649000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":94179000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":188504000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":94325000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":283251000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":94747000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"SalesRevenueGoodsNet":{"label":"Sales Revenue, Goods, Net (Deprecated 2018-01-31)","description":"Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":43258000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":43199000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":15424000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":59528000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":59528000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":17503000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":35409000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":17906000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":53583000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":53583000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":18174000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":18174000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":71914000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":71914000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":71914000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":20836000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":20836000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":41512000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":41512000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":20676000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":20676000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":62204000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":62204000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":20692000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":20692000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":83146000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":83146000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":83146000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":23682000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":23682000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":45970000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":45970000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":22288000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":22288000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":67625000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":67625000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":21655000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":21655000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":89275000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":89275000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":21333000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":21333000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":42367000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":42367000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":21034000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":21034000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":62824000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":62824000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":20457000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":20457000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":82732000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":20265000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":38612000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":18347000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":56071000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":17459000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"SellingAndMarketingExpense":{"label":"Selling and Marketing Expense","description":"The aggregate total amount of expenses directly related to the marketing or selling of products or services.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":84885000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":74773000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":25471000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":102329000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":102329000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":28836000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":57228000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":28392000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":86013000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":86013000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":28785000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":28785000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":114024000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":114024000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":114024000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":29479000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":29479000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":60510000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":60510000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":31031000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":31031000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":93905000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":93905000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":33395000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":33395000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":125526000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":125526000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":125526000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":34132000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":34132000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":68602000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":68602000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":34470000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":34470000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":104820000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":104820000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":36218000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":36218000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":138324000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":138324000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":31330000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":31330000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":63474000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":63474000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":32144000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":32144000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":96842000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":96842000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":33368000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":33368000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":129707000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":36220000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":74781000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":38561000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":109769000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":34988000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"ShareBasedCompensation":{"label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1871000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":6357000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":8787000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":2497000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":5128000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-03-01","end":"2013-11-30","val":7551000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":10837000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":3082000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":6818000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"}]}},"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":"2012-03-01","end":"2013-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2012-03-01","end":"2013-02-28","val":0.44,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":0.44,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":0.46,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":0.46,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":0.46,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0.45,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":0.45,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0.45,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0.43,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":0.43,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":0.44,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum","description":"The estimated measure of the maximum 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":"2011-03-01","end":"2012-02-29","val":0.46,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum","description":"The estimated measure of the minimum 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":"2011-03-01","end":"2012-02-29","val":0.41,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"}]}},"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":"2011-03-01","end":"2012-02-29","val":0.0184,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":0.0097,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":0.0097,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":0.0167,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":0.0167,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":0.0167,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0.0187,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":0.0187,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0.0187,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0.018,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":0.018,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":0.0152,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized","description":"Number of additional shares authorized for issuance under share-based payment arrangement.","units":{"shares":[{"start":"2013-03-01","end":"2014-02-28","val":4418137,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":2472573,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":2379645,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":2346083,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant","description":"The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.","units":{"shares":[{"end":"2013-02-28","val":1103101,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":5187382,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":5187382,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":5768991,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":5768991,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":6360677,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":6360677,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":7587818,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value","description":"Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":600000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":10200000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":10300000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":10300000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":3200000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":6500000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":6500000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":6500000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":33100000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":33100000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":33100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":8600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":8600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":5100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period","description":"For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.","units":{"shares":[{"start":"2014-03-01","end":"2015-02-28","val":154551,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":218459,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":350821,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price","description":"Weighted average price of options that were either forfeited or expired.","units":{"USD/shares":[{"start":"2014-03-01","end":"2015-02-28","val":16.71,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":26.16,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":27.86,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period","description":"The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.","units":{"shares":[{"start":"2013-03-01","end":"2014-02-28","val":575084,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross","description":"Gross number of share options (or share units) granted during the period.","units":{"shares":[{"start":"2013-03-01","end":"2013-11-30","val":310970,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":741357,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":1136758,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":757285,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":279746,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value","description":"The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.","units":{"USD/shares":[{"start":"2011-03-01","end":"2012-02-29","val":5.04,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":5.34,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":5.34,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":9.48,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":9.48,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":9.48,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":13.98,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":13.98,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":13.98,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":13.8,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":13.8,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":7.95,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period","description":"The addition or reduction in the number of reserved shares that could potentially be issued under the option plan attributable to reasons other than grants, exercises, forfeitures, and expirations during the reporting period.","units":{"shares":[{"start":"2013-03-01","end":"2014-02-28","val":59726,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number","description":"Number of options outstanding, including both vested and non-vested options.","units":{"shares":[{"end":"2013-02-28","val":4868974,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":4674004,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":4674004,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":4051904,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4051904,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":4208201,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":4208201,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":3514278,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price","description":"Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.","units":{"USD/shares":[{"end":"2013-02-28","val":11.23,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":12.27,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":12.27,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":17.98,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":17.98,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":20.42,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":20.42,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":21.05,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value","description":"Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD":[{"end":"2014-02-28","val":57972000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":41985000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1456297000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":19423229000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number","description":"Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2014-02-28","val":2270378,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":1696859,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":2478287,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":2580061,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2014-02-28","val":10.42,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":13.35,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":16.34,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":18.6,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value","description":"Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD":[{"end":"2014-02-28","val":106491000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":79125000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1565624000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":21317808000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number","description":"Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"shares":[{"end":"2014-02-28","val":4457458,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":3849905,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":4063692,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":3435251,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price","description":"Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.","units":{"USD/shares":[{"end":"2014-02-28","val":12.06,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":17.54,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":20.02,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":20.78,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherShareIncreaseDecrease":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Other Share Increase (Decrease)","description":"Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan.","units":{"shares":[{"start":"2013-03-01","end":"2014-02-28","val":575084,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":165985,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":677078,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":1113224,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period","description":"Number of shares issued under share-based payment arrangement.","units":{"shares":[{"start":"2013-03-01","end":"2014-02-28","val":908940,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":2056949,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":2465037,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":2232166,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price","description":"Weighted average price at which option holders acquired shares when converting their stock options into shares.","units":{"USD/shares":[{"start":"2013-03-01","end":"2014-02-28","val":7.86,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":10.27,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":12.67,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":12.52,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.","units":{"USD/shares":[{"start":"2013-03-01","end":"2014-02-28","val":12.83,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price","description":"Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.","units":{"USD/shares":[{"start":"2013-03-01","end":"2014-02-28","val":17.9,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":30.39,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":31.21,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":20.04,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsOtherShareIncreaseDecreaseInPeriodWeightedAverageExercisePrice":{"label":"Share-based Compensation Arrangements by Share-based Payment Award, Options, Other Share Increase (Decrease) in Period, Weighted Average Exercise Price","description":"Weighted average price at which grantees could acquire or could have acquired the underlying shares with respect to any other type of change in shares reserved for issuance.","units":{"USD/shares":[{"start":"2013-03-01","end":"2014-02-28","val":1.51,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"}]}},"SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value","description":"Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1500000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":2500000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":3700000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":3700000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":4200000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2014-02-28","val":6000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":6000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":6000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":7500000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":7500000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":7500000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":10500000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":10500000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":7900000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2013-02-28","val":-257135000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":-257135000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-11-30","val":-10037000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":-5655000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":-39084000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q1I"},{"end":"2015-11-30","val":-30538000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2015Q4I"},{"end":"2016-02-29","val":-32098000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-02-29","val":-32098000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-02-29","val":-32098000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"end":"2016-02-29","val":-32098000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":-19256000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2016Q2I"},{"end":"2016-08-31","val":-15761000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2016Q3I"},{"end":"2016-11-30","val":-4957000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":6423000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15"},{"end":"2017-02-28","val":6423000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10"},{"end":"2017-02-28","val":6423000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"end":"2017-02-28","val":6423000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q1I"},{"end":"2017-05-31","val":10396000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":21829000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"},{"end":"2017-11-30","val":38147000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4I"}]}},"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":"2011-02-28","val":-4984000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011Q1I"},{"end":"2012-02-29","val":-7583000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2012-02-29","val":-7583000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012Q1I"},{"end":"2013-02-28","val":-259620000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-02-28","val":-259620000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-02-28","val":-259620000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2013-02-28","val":-259620000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013Q1I"},{"end":"2013-11-30","val":-13083000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":-5655000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":-5655000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"end":"2014-02-28","val":-5655000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"end":"2014-02-28","val":-5655000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"end":"2014-02-28","val":-5655000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2014-02-28","val":-5655000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2014-02-28","val":-5655000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014Q1I"},{"end":"2014-05-31","val":841000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2014Q2I"},{"end":"2014-08-31","val":11111000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2014Q3I"},{"end":"2014-11-30","val":21103000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2014Q4I"},{"end":"2015-02-28","val":-39084000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":-39084000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"end":"2015-02-28","val":-39084000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"end":"2015-02-28","val":-39084000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2015-02-28","val":-39084000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015Q1I"},{"end":"2015-05-31","val":-31340000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2015Q2I"},{"end":"2015-08-31","val":-26430000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2015Q3I"},{"end":"2016-02-29","val":-32098000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":-32098000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":6423000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"StockIssuedDuringPeriodSharesNewIssues":{"label":"Stock Issued During Period, Shares, New Issues","description":"Number of new stock issued during the period.","units":{"shares":[{"start":"2013-11-11","end":"2013-11-12","val":4761000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-11-11","end":"2013-11-12","val":4761000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-10-31","end":"2013-11-30","val":4761000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4I"}]}},"StockIssuedDuringPeriodSharesStockOptionsExercised":{"label":"Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period","description":"Number of share options (or share units) exercised during the current period.","units":{"shares":[{"start":"2013-03-01","end":"2014-02-28","val":420969,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":1604307,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":382529,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":622848,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"StockIssuedDuringPeriodValueAcquisitions":{"label":"Stock Issued During Period, Value, Acquisitions","description":"Value of stock issued pursuant to acquisitions during the period.","units":{"USD":[{"start":"2016-03-01","end":"2017-02-28","val":147000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"StockIssuedDuringPeriodValueConversionOfConvertibleSecurities":{"label":"Stock Issued During Period, Value, Conversion of Convertible Securities","description":"The gross value of stock issued during the period upon the conversion of convertible securities.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":167554000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":167554000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":167554000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"}]}},"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":"2011-03-01","end":"2012-02-29","val":1462000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":8751000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":9366000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":209000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":3310000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":3310000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":16476000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":16476000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":16476000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":4845000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":4845000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":8899000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"StockRepurchasedAndRetiredDuringPeriodShares":{"label":"Stock Repurchased and Retired During Period, Shares","description":"Number of shares that have been repurchased and retired during the period.","units":{"shares":[{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":430000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":430000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":430000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":1503000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1503000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":18000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":18000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":482000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":482000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":464000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":464000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":482000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":482000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":498000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":331000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":331000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":331000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":0,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"StockRepurchasedAndRetiredDuringPeriodValue":{"label":"Stock Repurchased and Retired During Period, Value","description":"Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":1186000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":127613000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":127613000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":723000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":723000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":723000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":8000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":8000000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":8000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":19216000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":19216000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":280000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":280000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":7241000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":7241000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":6961000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":6961000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":7241000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":7241000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":7596000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":6546000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":6546000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":6546000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1":{"label":"Stock Repurchase Program, Remaining Authorized Repurchase Amount","description":"Amount remaining of a stock repurchase plan authorized.","units":{"USD":[{"end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015Q1I"},{"end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3I"},{"end":"2015-11-30","val":42000000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"end":"2015-11-30","val":42000000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4I"},{"end":"2016-02-29","val":30784000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":30784000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2016-05-31","val":30504000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"end":"2016-05-31","val":30504000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2I"},{"end":"2016-08-31","val":23543000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"end":"2016-08-31","val":23543000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3I"},{"end":"2016-11-30","val":23543000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4I"},{"end":"2017-02-28","val":23188000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-05-31","val":16642000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2I"},{"end":"2017-08-31","val":16642000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3I"}]}},"SubscriptionRevenue":{"label":"Subscription and Circulation Revenue (Deprecated 2018-01-31)","description":"Revenue from circulation or sale of subscriptions (for example, but not limited to, subscriptions to a magazine or newspaper).","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":117662000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":103261000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":36003000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":139403000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":139403000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":38774000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":78658000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":39884000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":119870000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-03-01","end":"2013-11-30","val":119870000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":41212000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":41212000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":161873000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":161873000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":161873000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":45373000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":45373000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":93349000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":93349000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":47976000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":47976000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":143064000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":143064000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":49715000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":49715000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":194300000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":194300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":194300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":54292000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":54292000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":110375000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":110375000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":56083000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":56083000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":168807000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":168807000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":58432000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":58432000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":230883000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":230883000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":65321000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":65321000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":132217000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":132217000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":66896000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":66896000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":200566000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":200566000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":68349000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":68349000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":269917000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":73914000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":149892000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":75978000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":227180000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":77288000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"TemporaryEquityAccretionToRedemptionValueAdjustment":{"label":"Temporary Equity, Accretion to Redemption Value, Adjustment","description":"Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders.","units":{"USD":[{"start":"2012-03-01","end":"2012-11-30","val":1812000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-03-01","end":"2013-02-28","val":1812000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1812000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"TemporaryEquityCarryingAmountAttributableToParent":{"label":"Temporary Equity, Carrying Amount, Attributable to Parent","description":"Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. 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 a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.","units":{"USD":[{"end":"2013-02-28","val":167554000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-02-28","val":167554000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"}]}},"TemporaryEquityParOrStatedValuePerShare":{"label":"Temporary Equity, Par or Stated Value Per Share","description":"Per share amount of par value or stated value of stock classified as temporary equity. 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.","units":{"USD/shares":[{"end":"2013-02-28","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-02-28","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-30","val":0.001,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0.001,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"TemporaryEquitySharesAuthorized":{"label":"Temporary Equity, Shares Authorized","description":"The maximum number of securities classified as temporary equity that are permitted to be issued by an entity's charter and bylaws. 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. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. 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":{"shares":[{"end":"2013-02-28","val":17626227,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-02-28","val":17626227,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-30","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"TemporaryEquitySharesIssued":{"label":"Temporary Equity, Shares Issued","description":"The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. 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. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. 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":{"shares":[{"end":"2013-02-28","val":17626227,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-02-28","val":17626227,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-30","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"TemporaryEquitySharesOutstanding":{"label":"Temporary Equity, Shares Outstanding","description":"The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. 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. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. 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":{"shares":[{"end":"2013-02-28","val":17626227,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2013-02-28","val":17626227,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"end":"2013-11-30","val":0,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-02-28","val":0,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"}]}},"TreasuryStockAcquiredAverageCostPerShare":{"label":"Treasury Stock Acquired, Average Cost Per Share","description":"Total cost of shares repurchased divided by the total number of shares repurchased.","units":{"USD/shares":[{"start":"2015-03-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":0,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":18.6,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":18.6,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2016-03-01","end":"2016-05-31","val":15.91,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":15.03,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":15.03,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":14.99,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":14.99,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":15.03,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":15.03,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":0,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2016Q4"},{"start":"2017-03-01","end":"2017-05-31","val":19.75,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":19.75,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":0,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":19.75,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"}]}},"UndistributedEarningsAllocatedToParticipatingSecurities":{"label":"Undistributed Earnings Allocated to Participating Securities (Deprecated 2014-01-31)","description":"Earnings allocated (not distributed) to participating securities under the two-class method to the extent that participating securities may share in earnings as if all of the earnings for the period had been distributed.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":139000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"}]}},"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":"2014-02-28","val":5000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2015-02-28","val":7100000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":10400000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":6700000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"UnrecognizedTaxBenefits":{"label":"Unrecognized Tax Benefits","description":"Amount of unrecognized tax benefits.","units":{"USD":[{"end":"2011-02-28","val":3026000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011Q1I"},{"end":"2012-02-29","val":4150000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2012-02-29","val":4150000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012Q1I"},{"end":"2013-02-28","val":3971000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-02-28","val":3971000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2013-02-28","val":3971000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013Q1I"},{"end":"2014-02-28","val":4980000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":4980000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2014-02-28","val":4980000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2014-02-28","val":4980000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014Q1I"},{"end":"2015-02-28","val":5322000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":5322000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2015-02-28","val":5322000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015Q1I"},{"end":"2016-02-29","val":6388000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":6388000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":9957000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions","description":"Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":710000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":710000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions":{"label":"Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions","description":"Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":528000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":1341000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1341000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":1000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":53000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":53000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":53000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":4000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":4000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":34000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued":{"label":"Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued","description":"Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.","units":{"USD":[{"end":"2013-02-28","val":446000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013Q1I"},{"end":"2014-02-28","val":675000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":675000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014Q1I"},{"end":"2015-02-28","val":786000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":800000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015Q1I"},{"end":"2016-02-29","val":800000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":800000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":900000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense":{"label":"Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense","description":"Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.","units":{"USD":[{"start":"2011-03-01","end":"2012-02-29","val":8000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":92000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":92000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":169000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":17000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":229000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":229000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":200000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":111000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":100000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":978000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":1122000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":1122000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":1208000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":1208000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":1208000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":1050000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":1050000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":1050000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":1841000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":1841000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":3879000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":1009000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":76000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":76000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":0,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":58000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":58000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":58000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":231000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":231000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":0,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":335000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":36000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":36000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2014-02-28","val":198000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":198000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":198000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":713000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":713000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":713000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":292000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":292000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":276000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2012-02-29","val":2500000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012Q1I"},{"end":"2013-02-28","val":3100000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2013-02-28","val":3100000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2013Q1I"},{"end":"2014-02-28","val":4000000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"end":"2014-02-28","val":4000000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2014-02-28","val":4000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014Q1I"},{"end":"2015-02-28","val":4300000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"end":"2015-02-28","val":4300000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2015-02-28","val":4300000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015Q1I"},{"end":"2016-02-29","val":2600000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"end":"2016-02-29","val":2600000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016Q1I"},{"end":"2017-02-28","val":5100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary":{"label":"Unrecorded Unconditional Purchase Obligation, to be Paid, Year One","description":"Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid 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":"2015-02-28","val":14094000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":21306000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":26123000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary":{"label":"Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four","description":"Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid 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":"2015-02-28","val":445000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"}]}},"UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary":{"label":"Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two","description":"Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid 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":"2015-02-28","val":7662000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":5889000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":5430000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary":{"label":"Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three","description":"Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid 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":"2015-02-28","val":2414000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":1411000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":1377000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount":{"label":"Unrecorded Unconditional Purchase Obligation","description":"Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).","units":{"USD":[{"end":"2015-02-28","val":24615000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2016-02-29","val":28606000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2017-02-28","val":32930000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2017Q1I"}]}},"ValuationAllowanceDeferredTaxAssetChangeInAmount":{"label":"Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount","description":"Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.","units":{"USD":[{"start":"2013-03-01","end":"2014-02-28","val":-346000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":67700000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":1000000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":4100000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":45355000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":32031000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":28100000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":28141000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":28182000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":30179000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":34256000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":53605000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":53605000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":53675000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":53675000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":53743000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":53743000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":53785000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":53785000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":52142000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":52142000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":52996000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":52996000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":53133000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":53133000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":53270000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":53270000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":53178000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":53178000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":53268000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":53268000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":53070000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":53070000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":52854000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":52854000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":53088000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":53088000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":53321000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":53321000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":53391000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":53391000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":53995000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":53995000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":53572000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":54329000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":54470000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":54609000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":54645000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":54995000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}},"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":"2012-03-01","end":"2012-11-30","val":33360000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":30441000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":32031000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":30179000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":34256000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":53070000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2015"}]}},"WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation":{"label":"Weighted Average Number of Shares, Common Stock Subject to Repurchase or Cancellation","description":"Number of shares of common stock subject to repurchase or cancellation determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. Common stock subject to repurchase are outstanding common shares that are contingently returnable (that is, subject to recall).","units":{"shares":[{"start":"2011-03-01","end":"2012-02-29","val":36000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":-8000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":-1000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":6000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":6000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"}]}},"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":"2011-03-01","end":"2012-02-29","val":33865000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2012-11-30","val":33368000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2012-09-01","end":"2012-11-30","val":30442000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2012Q4"},{"start":"2012-03-01","end":"2013-02-28","val":32037000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2012-03-01","end":"2013-02-28","val":32037000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29","frame":"CY2012"},{"start":"2013-03-01","end":"2013-11-30","val":30179000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13"},{"start":"2013-09-01","end":"2013-11-30","val":34256000,"accn":"0001193125-14-008240","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-01-13","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04","frame":"CY2013"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001193125-15-156567","fy":2015,"fp":"FY","form":"10-K","filed":"2015-04-29"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2016-02-29","val":53070000,"accn":"0001628280-16-015408","fy":2016,"fp":"FY","form":"10-K","filed":"2016-05-04"},{"start":"2015-03-01","end":"2016-02-29","val":53070000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2017-02-28","val":52456000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"}]}},"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":"2011-03-01","end":"2012-02-29","val":33829000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2011"},{"start":"2012-03-01","end":"2013-02-28","val":32031000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2012"},{"start":"2013-03-01","end":"2013-05-31","val":28100000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11","frame":"CY2013Q2"},{"start":"2013-03-01","end":"2013-08-31","val":28141000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2013-06-01","end":"2013-08-31","val":28182000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14","frame":"CY2013Q3"},{"start":"2013-03-01","end":"2013-11-30","val":30179000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2013-09-01","end":"2013-11-30","val":34256000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12","frame":"CY2013Q4"},{"start":"2013-03-01","end":"2014-02-28","val":35355000,"accn":"0001193125-14-168027","fy":2013,"fp":"FY","form":"10-K","filed":"2014-04-30","frame":"CY2013"},{"start":"2014-03-01","end":"2014-05-31","val":51156000,"accn":"0001193125-14-266635","fy":2015,"fp":"Q1","form":"10-Q","filed":"2014-07-11"},{"start":"2014-03-01","end":"2014-05-31","val":51156000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10","frame":"CY2014Q2"},{"start":"2014-03-01","end":"2014-08-31","val":51412000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-03-01","end":"2014-08-31","val":51412000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2014-06-01","end":"2014-08-31","val":51667000,"accn":"0001193125-14-369472","fy":2015,"fp":"Q2","form":"10-Q","filed":"2014-10-14"},{"start":"2014-06-01","end":"2014-08-31","val":51667000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02","frame":"CY2014Q3"},{"start":"2014-03-01","end":"2014-11-30","val":51655000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-03-01","end":"2014-11-30","val":51655000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2014-09-01","end":"2014-11-30","val":52142000,"accn":"0001193125-15-006811","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-01-12"},{"start":"2014-09-01","end":"2014-11-30","val":52142000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11","frame":"CY2014Q4"},{"start":"2014-03-01","end":"2015-02-28","val":51898000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2014"},{"start":"2015-03-01","end":"2015-05-31","val":52996000,"accn":"0001193125-15-250364","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-07-10"},{"start":"2015-03-01","end":"2015-05-31","val":52996000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08","frame":"CY2015Q2"},{"start":"2015-03-01","end":"2015-08-31","val":53133000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-03-01","end":"2015-08-31","val":53133000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2015-06-01","end":"2015-08-31","val":53270000,"accn":"0001193125-15-336732","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-10-02"},{"start":"2015-06-01","end":"2015-08-31","val":53270000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11","frame":"CY2015Q3"},{"start":"2015-03-01","end":"2015-11-30","val":53178000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-03-01","end":"2015-11-30","val":53178000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2015-09-01","end":"2015-11-30","val":53268000,"accn":"0001193125-16-425216","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-01-11"},{"start":"2015-09-01","end":"2015-11-30","val":53268000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09","frame":"CY2015Q4"},{"start":"2015-03-01","end":"2016-02-29","val":53070000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2015"},{"start":"2016-03-01","end":"2016-05-31","val":52285000,"accn":"0001628280-16-017547","fy":2017,"fp":"Q1","form":"10-Q","filed":"2016-07-08"},{"start":"2016-03-01","end":"2016-05-31","val":52285000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2016Q2"},{"start":"2016-03-01","end":"2016-08-31","val":52275000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-03-01","end":"2016-08-31","val":52275000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2016-06-01","end":"2016-08-31","val":52265000,"accn":"0001628280-16-020019","fy":2017,"fp":"Q2","form":"10-Q","filed":"2016-10-11"},{"start":"2016-06-01","end":"2016-08-31","val":52265000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2016Q3"},{"start":"2016-03-01","end":"2016-11-30","val":52336000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-03-01","end":"2016-11-30","val":52336000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":52457000,"accn":"0001348334-17-000012","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-01-09"},{"start":"2016-09-01","end":"2016-11-30","val":52457000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2016Q4"},{"start":"2016-03-01","end":"2017-02-28","val":52456000,"accn":"0001628280-17-005499","fy":2017,"fp":"FY","form":"10-K","filed":"2017-05-15","frame":"CY2016"},{"start":"2017-03-01","end":"2017-05-31","val":52875000,"accn":"0001348334-17-000086","fy":2018,"fp":"Q1","form":"10-Q","filed":"2017-07-10","frame":"CY2017Q2"},{"start":"2017-03-01","end":"2017-08-31","val":52958000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10"},{"start":"2017-06-01","end":"2017-08-31","val":53040000,"accn":"0001628280-17-009803","fy":2018,"fp":"Q2","form":"10-Q","filed":"2017-10-10","frame":"CY2017Q3"},{"start":"2017-03-01","end":"2017-11-30","val":53098000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09"},{"start":"2017-09-01","end":"2017-11-30","val":53378000,"accn":"0001628280-18-000227","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-01-09","frame":"CY2017Q4"}]}}}}}