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Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2014-12-31","val":313000,"accn":"0000897101-15-000381","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-20","frame":"CY2014Q4I"},{"end":"2015-12-31","val":218000,"accn":"0000897101-16-001983","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-10"},{"end":"2015-12-31","val":127000,"accn":"0000943034-17-000021","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-24","frame":"CY2015Q4I"}]}},"FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinOneYear":{"label":"Future Minimum Sublease Rentals, Sale Leaseback Transactions, Next Twelve Months","description":"Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the next fiscal year following the latest fiscal year. 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