Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 26, 2012	Dec. 28, 2011	Dec. 29, 2010
Goodwill [Roll Forward]
Balance, beginning of year	$ 30,764,000	$ 31,308,000
Addition related to acquisition of restaurant unit	1,022,000	0
Write-offs and reclassification associated with sale of restaurants	(356,000)	(544,000)
Balance, end of period	31,430,000	30,764,000	31,308,000
Goodwill and Intangible Assets [Line Items]
Goodwill	31,430,000	30,764,000	31,308,000
Intangible assets with definite lives [Abstract]
Accumulated Amortization	33,051,000	36,308,000
Intangible assets	81,971,000	87,229,000
Amortization expense of definite-lived intangible assets	3,200,000	4,200,000	5,100,000
Franchise and license agreements [Member]
Intangible assets with definite lives [Abstract]
Gross Carrying Amount	37,524,000	42,778,000
Accumulated Amortization	32,863,000	36,132,000
Decrease in franchise and license agreements	5,300,000
Foreign license agreements [Member]
Intangible assets with definite lives [Abstract]
Gross Carrying Amount	241,000	241,000
Accumulated Amortization	188,000	176,000
Trade names [Member]
Intangible assets with indefinite lives [Abstract]
Gross Carrying Amount - Trade names	44,050,000	44,046,000
Liquor licenses [Member]
Intangible assets with indefinite lives [Abstract]
Gross Carrying Amount - Liquor licenses	$ 156,000	$ 164,000