Income Taxes - Income Tax Expense (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 30, 2012	Sep. 23, 2012	Jun. 24, 2012	Mar. 25, 2012	Dec. 25, 2011	Sep. 25, 2011	Jun. 26, 2011	Mar. 27, 2011	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Income Tax Disclosure
Federal									$ 35,429,000	$ (30,185,000)	$ (3,139,000)
Foreign									1,153,000	1,110,000	682,000
State and local									181,000	(6,793,000)	(11,460,000)
Total current tax (benefit)/expense									36,763,000	(35,868,000)	(13,917,000)
Federal									55,143,000	20,464,000	36,055,000
Foreign									0	37,471,000	2,137,000
State and local									11,576,000	9,865,000	9,042,000
Total deferred tax expense									66,719,000	67,800,000	47,234,000
Income tax expense	75,775,000	(2,796,000)	29,102,000	1,401,000	28,423,000	12,440,000	(2,902,000)	(6,029,000)	103,482,000	31,932,000	33,317,000
Operating loss carryforward, State and local	$ 10,500,000				$ 15,100,000				$ 10,500,000	$ 15,100,000
Minimum [Member]
Income Tax Disclosure
Operating loss carryforwards, remaining life									1 year
Maximum [Member]
Income Tax Disclosure
Operating loss carryforwards, remaining life									20 years