Income Taxes (Summary of Provision (Benefit) for Income Taxes) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 25, 2011		Dec. 26, 2010		Dec. 27, 2009
Current:
Federal	$ 14,383		$ 19,049		$ 18,551
Foreign	1,273		1,171		904
State and local	850	[1]	2,083	[1]	2,061	[1]
Deferred (federal and state)	10,382		4,553		7,469
Total	$ 26,888		$ 26,856		$ 28,985

[1] The decrease in state and local tax expense is due to the lapse of statute of limitations and a reduction in the state effective tax rate.