Goodwill (Changes in the Carrying Amount of Goodwill by Reportable Segment) (Detail) (USD $)	12 Months Ended
	Dec. 25, 2011		Dec. 26, 2010		Dec. 27, 2009
Goodwill [Line Items]
Beginning balance	$ 74,697,000		$ 75,066,000
Foreign currency adjustments	388,000		(369,000)
Ending balance	75,085,000		74,697,000
Domestic Company-owned Restaurant [Member]
Goodwill [Line Items]
Beginning balance	55,260,000		55,260,000
Foreign currency adjustments
Ending balance	55,260,000		55,260,000
International [Member]
Goodwill [Line Items]
Beginning balance	19,001,000	[1]	19,370,000	[1]
Foreign currency adjustments	388,000	[1]	(369,000)	[1]
Ending balance	19,389,000	[1]	19,001,000	[1]
Goodwill, accumulated impairment	2,300,000		2,300,000		2,300,000
All Others [Member]
Goodwill [Line Items]
Beginning balance	436,000		436,000
Foreign currency adjustments
Ending balance	$ 436,000		$ 436,000

[1] The international goodwill balances for all years presented are net of accumulated impairment of $2.3 million associated with our PJUK reporting unit.