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Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2015-09-30","val":901000,"accn":"0001104659-15-076611","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1320000,"accn":"0001104659-16-094861","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-02-09","frame":"CY2015Q4I"}]}},"UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear":{"label":"Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year","description":"Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in remainder of current fiscal year.","units":{"USD":[{"end":"2015-09-30","val":1062712000,"accn":"0001104659-15-076611","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":619293000,"accn":"0001104659-16-094861","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-02-09","frame":"CY2015Q4I"}]}},"WriteOffOfDeferredDebtIssuanceCost":{"label":"Write off of Deferred Debt Issuance Cost","description":"Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.","units":{"USD":[{"start":"2011-04-01","end":"2012-03-31","val":3091000,"accn":"0001047469-14-005284","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-30","frame":"CY2011"},{"start":"2011-04-01","end":"2012-03-31","val":3091000,"accn":"0001047469-13-006833","fy":2012,"fp":"FY","form":"10-K","filed":"2013-06-07"},{"start":"2012-04-01","end":"2013-03-31","val":599000,"accn":"0001047469-14-005284","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-30","frame":"CY2012"},{"start":"2013-04-01","end":"2014-03-31","val":8125000,"accn":"0001047469-14-005284","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-30","frame":"CY2013"}]}}}}}