Income Taxes - Income Tax Expense (Details) (USD $)	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
Current tax expense/(benefit)
Federal									$ 18,903,000	$ 51,836,000	$ (13,571,000)
Foreign									681,000	1,154,000	1,110,000
State and local									8,371,000	(6,680,000)	(14,345,000)
Total current tax expense/(benefit)									27,955,000	46,310,000	(26,806,000)
Deferred tax expense
Federal									5,426,000	38,845,000	542,000
Foreign									0	0	37,471,000
State and local									4,511,000	9,462,000	10,210,000
Total deferred tax expense									9,937,000	48,307,000	48,223,000
Income tax expense	16,419,000	2,578,000	13,813,000	5,082,000	66,171,000	(3,187,000)	25,781,000	5,852,000	37,892,000	94,617,000	21,417,000
Federal net operating loss carryforward	6,900,000								6,900,000
Operating loss carryforward, State and local	$ 9,300,000				$ 10,500,000				$ 9,300,000	$ 10,500,000
Minimum [Member]
Deferred tax expense
Operating loss carryforwards, remaining life									1 year
Maximum [Member]
Deferred tax expense
Operating loss carryforwards, remaining life									20 years