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Summary of Significant Accounting Policies (Details 2) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2013
restaurant
Dec. 25, 2012
restaurant
Dec. 31, 2013
restaurant
Dec. 25, 2012
restaurant
Dec. 27, 2011
Property and Equipment          
Repairs and maintenance expense     $ 15,900,000 $ 13,800,000 $ 12,600,000
Impairment of Goodwill          
Number of restaurants impaired 2 1   1  
Impairment of goodwill   500,000 0 252,000  
Impairment or Disposal of Long-Lived Assets          
Maximum threshold amount considered for impairment     300,000    
Impairment analysis, estimated useful life of operating a restaurant     20 years    
Impairment related to one previously closed restaurant     $ 200,000    
Number of long-lived assets impaired     1    
Land improvements | Minimum
         
Property and Equipment          
Estimated useful life     10 years    
Land improvements | Maximum
         
Property and Equipment          
Estimated useful life     25 years    
Buildings and leasehold improvements | Minimum
         
Property and Equipment          
Estimated useful life     10 years    
Buildings and leasehold improvements | Maximum
         
Property and Equipment          
Estimated useful life     25 years    
Equipment and smallwares | Minimum
         
Property and Equipment          
Estimated useful life     3 years    
Equipment and smallwares | Maximum
         
Property and Equipment          
Estimated useful life     10 years    
Furniture and fixtures | Minimum
         
Property and Equipment          
Estimated useful life     3 years    
Furniture and fixtures | Maximum
         
Property and Equipment          
Estimated useful life     10 years