Income Taxes - Rate Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Effective Income Tax Rate Reconciliation, Amount:
Tax at federal statutory rate									$ 33,180	$ 90,494	$ 23,104
State and local taxes, net									8,312	11,507	10,446
Effect of enacted changes in tax laws									0	0	(1,520)
Reduction in uncertain tax positions									(1,803)	(6,721)	(12,105)
(Gain)/loss on Company-owned life insurance									(3,673)	(2,690)	36
Other, net									1,876	2,027	1,456
Income tax expense	$ 16,419	$ 2,578	$ 13,813	$ 5,082	$ 66,171	$ (3,187)	$ 25,781	$ 5,852	$ 37,892	$ 94,617	$ 21,417
Effective Income Tax Rate Reconciliation, Percent:
Tax at federal statutory rate (% of pre-tax)									35.00%	35.00%	35.00%
State and local taxes, net (% of pre-tax)									8.80%	4.40%	15.80%
Effect of enacted changes in tax laws (% of pre-tax)									0.00%	0.00%	(2.30%)
Reduction in uncertain tax positions (% of pre-tax)									(1.90%)	(2.60%)	(18.30%)
(Gain)/loss on Company-owned life insurance (% of pre-tax)									(3.90%)	(1.00%)	0.00%
Other, net (% of pre-tax)									2.00%	0.80%	2.20%
Effective income tax rate									40.00%	36.60%	32.40%