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Goodwill and Other Intangible Assets (Details)
$ in Thousands
 12 Months Ended
Dec. 28, 2016
USD ($)
restaurants
Dec. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
Goodwill [Roll Forward]      
Balance, beginning of year $ 33,454 $ 31,451  
Additions related to acquisitions 1,827 2,050  
Write-offs and reclassifications associated with the sale of restaurants (48) (47)  
Balance, end of year 35,233 33,454 $ 31,451
Intangible Assets [Line Items]      
Gross carrying amount - Trade names 44,076 44,068  
Gross carrying amount - Liquor licenses 166 126  
Accumulated amortization - Intangible assets with definite lives 1,437 13,180  
Intangible assets 55,930 59,254  
Amortization expense of definite-lived intangible assets and other assets $ 1,500 1,500 $ 2,100
Restaurants reacquired from franchisees | restaurants 10    
Purchase price to reacquire franchised restaurants $ 13,700    
Purchase price allocated to property 2,300    
Purchase price allocated to goodwill 1,827 2,050  
Capital leases recorded related to acquisitions 3,400    
Other Intangible Assets [Member]      
Intangible Assets [Line Items]      
Gross carrying amount - Intangible assets with definite lives 190 12,237  
Accumulated amortization - Intangible assets with definite lives 186 12,026  
Decrease in franchise and license agreements (12,000)    
Franchise Rights [Member]      
Intangible Assets [Line Items]      
Gross carrying amount - Intangible assets with definite lives 11,498 2,823  
Accumulated amortization - Intangible assets with definite lives 1,251 $ 1,154  
Purchase price allocation to reacquired franchise rights $ 9,500    
Weighted-average life of reacquired franchise rights 11 years