Income Taxes - Rate Reconciliation (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 [Abstract]
Tax at federal statutory rate									$ (1,302)	$ 62,027	$ 1,321
State and local taxes, net									15,095	19,010	12,418
Effect of enacted changes in tax laws									(1,520)	11,370	11,743
Reduction in uncertain tax positions									(12,105)	(21,722)	(22,338)
(Gain)/loss on Company-owned life insurance									36	(3,319)	(4,156)
Non-deductible goodwill									34,992	0	852
Other, net									1,310	1,150	2,366
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
Tax at federal statutory rate (% of pre-tax)									35.00%	35.00%	35.00%
State and local taxes, net (% of pre-tax)									(406.00%)	10.70%	329.10%
Effect of enacted changes in tax laws (% of pre-tax)									40.90%	6.40%	311.20%
Reduction in uncertain tax positions (% of pre-tax)									325.60%	(12.20%)	(592.00%)
(Gain)/loss on Company-owned life insurance (% of pre-tax)									(1.00%)	(1.90%)	(110.10%)
Non-deductible goodwill (% of pre-tax)									(941.20%)	0.00%	22.50%
Other, net (% of pre-tax)									(35.20%)	0.70%	62.70%
Effective income tax rate										38.70%	58.40%