Income Taxes - Income Tax Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 25, 2011	Sep. 25, 2011	Jun. 26, 2011	Mar. 27, 2011	Dec. 26, 2010	Sep. 26, 2010	Jun. 27, 2010	Mar. 28, 2010	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Income Tax Disclosure
Federal									$ (19,559)	$ 14,354	$ (23,748)
Foreign									1,110	682	784
State and local									(5,786)	(7,791)	(19,261)
Total current tax (benefit)/expense									(24,235)	7,245	(42,225)
Federal									14,523	52,735	27,320
Foreign									37,471	(1,384)	(3,546)
State and local									8,747	9,920	20,657
Total deferred tax expense									60,741	61,271	44,431
Income tax expense	36,353	15,362	(16,615)	1,406	18,072	(2,018)	25,435	27,027	36,506	68,516	2,206
Operating loss carryforward, Federal	23,100				0				23,100	0
Operating loss carryforward, State and local	$ 15,100				$ 8,700				$ 15,100	$ 8,700
Federal [Member]
Income Tax Disclosure
Operating loss carryforwards, remaining life									20 years
State and Local [Member] | Minimum [Member]
Income Tax Disclosure
Operating loss carryforwards, remaining life									1 year
State and Local [Member] | Maximum [Member]
Income Tax Disclosure
Operating loss carryforwards, remaining life									20 years