Income Taxes (Provision for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Income Taxes [Abstract]
Current Federal Tax Expense (Benefit)	$ 30,258	$ 24,518	$ 1,578
Current State and Local Tax Expense (Benefit)	2,534	781	(679)
Deferred Federal Income Tax Expense (Benefit)	12,107	12,731	33,612
Deferred State and Local Income Tax Expense (Benefit)	3,504	3,992	4,583
Provision for income taxes	$ 48,403	$ 42,022	$ 39,094