Acquisitions (Narrative) (Detail) (USD $)	12 Months Ended
	Dec. 25, 2011 Restaurant	Dec. 26, 2010 Restaurant	Dec. 27, 2009 Florida [Member] Restaurant
Business Acquisition [Line Items]
Number of restaurants acquired	0	0	11
Purchase price of restaurants			$ 2,800,000
Purchase price of restaurants, cash paid			460,000
Purchase price of restaurants, cancellation of note due to the company			2,300,000
Purchase price allocation, goodwill			$ 1,500,000
Goodwill amortization period, years			15 years