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Goodwill and Other Intangible Assets (Details)
$ in Thousands
 9 Months Ended
Sep. 28, 2016
USD ($)
restaurants
Dec. 30, 2015
USD ($)
Goodwill [Roll Forward]    
Balance, December 30, 2015 $ 33,454  
Additions related to acquisition 1,827  
Write-offs and reclassifications associated with the sale of restaurants (11)  
Balance, September 28, 2016 35,270  
Intangible Assets [Line Items]    
Gross carrying amount - Trade names 44,077 $ 44,068
Gross carrying amount - Liquor licenses 166 126
Accumulated amortization - Intangible assets with definite lives 4,607 13,180
Intangible assets $ 58,504 59,254
Restaurants reacquired from franchisees | restaurants 9  
Purchase price to reacquire franchised restaurant $ 12,400  
Purchase price allocation of property 2,000  
Purchase price allocation of goodwill 1,827  
Other Intangible Assets [Member]    
Intangible Assets [Line Items]    
Gross carrying amount - Intangible assets with definite lives 3,765 12,237
Accumulated amortization - Intangible assets with definite lives 3,712 12,026
Decrease in franchise and license agreements 8,500  
Franchise Rights [Member]    
Intangible Assets [Line Items]    
Gross carrying amount - Intangible assets with definite lives 10,496 2,823
Accumulated amortization - Intangible assets with definite lives 895 $ 1,154
Purchase price allocation of reacquired franchise rights $ 8,500