Significant Accounting Policies (Narrative) (Detail) (USD $)	12 Months Ended
	Dec. 25, 2011 Entity	Dec. 26, 2010 Entity	Dec. 27, 2009 Entity
Significant Accounting Policies [Line Items]
Fiscal year, weeks	52
Depreciation expense	$ 31,900,000	$ 31,400,000	$ 30,600,000
Deferred costs, maximum amortization period	5 years
Deferred costs	1,500,000	2,000,000	800,000.0
Unamortized systems development costs	4,100,000	3,600,000
Reductions in customary income tax expense associated with the finalization of certain income tax issues	1,900,000	550,000	1,200,000
Other comprehensive income (loss), before tax	258,000	3,800,000	2,200,000
Other comprehensive income (loss), net of tax	165,000	2,400,000	1,400,000
Ineffective portion of hedge	0	25,000	40,000
Weighted average number of shares subject to antidilutive options	273,000	1,500,000	1,400,000
Goodwill	75,085,000	74,697,000	75,066,000
Net deferred income tax asset (liability)	(1,511,000)	9,306,000
Number of joint venture arrangements	2	2	2
Stockholders' equity attributable to noncontrolling interest	8,569,000	8,506,000
Reclassification from other long-term liabilities to paid-in capital		2,000,000
United Kingdom Subsidiary [Member]
Significant Accounting Policies [Line Items]
Goodwill	$ 14,800,000
Goodwill impairment test, fair value in excess of carrying amount, percent	7.00%
Number of years of projected cash flow used in goodwill impairment test	10 years
Restaurant Commissary And Other Equipment [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life, minimum	5
Property, plant and equipment, useful life, maximum	10
Building and Building Improvements [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life, minimum	20
Property, plant and equipment, useful life, maximum	40
Leasehold Improvements [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life, minimum	5
Property, plant and equipment, useful life, maximum	10