Significant Accounting Policies (Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 25, 2011		Dec. 26, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance policies	$ 11,387	[1]	$ 12,455	[1]
Interest rate swap assets	11
Interest rate swap liabilities			313
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance policies	11,387	[1]	12,455	[1]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap assets	11
Interest rate swap liabilities			$ 313

[1] Represents life insurance held in our non-qualified deferred compensation plan.