Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Debt Obligations - Debt & Capital Leases (Details) - USD ($) $ in Thousands	Dec. 25, 2016	Dec. 27, 2015	Nov. 30, 2010	Mar. 31, 2009
Debt Instrument [Line Items]
Principal amount	$ 250,000
Less: Unamortized debt costs and discount	9,801
Long-term capital lease obligations	6,779	$ 6,756
Total debt and capital lease obligations	246,978	431,228
Less current portion	0	188,377
Long-term debt and capital lease obligations	$ 246,978	$ 242,851
Notes Due 2015 [Member]
Debt Instrument [Line Items]
Stated interest rate on debt		5.00%
Notes Due 2016 [Member]
Debt Instrument [Line Items]
Stated interest rate on debt	6.625%	6.625%	6.625%
Principal amount	$ 0	$ 189,170
Less: Unamortized debt costs and discount	0	793
Long-term debt	$ 0	$ 188,377
Option To Repurchase Headquarters Building 2019 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage	13.00%	13.00%		13.00%
Principal amount	$ 250,000	$ 250,000
Less: Unamortized debt costs and discount	9,801	13,905
Long-term debt	$ 240,199	$ 236,095