Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Recent Accounting Pronouncements (Details)

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Basis of Presentation and Recent Accounting Pronouncements (Details)
4 Months Ended
Apr. 20, 2014
segment
Apr. 21, 2013
Franchisor Disclosure [Line Items]    
Length of fiscal period 112 days 112 days
Number of operating segments 1  
Number of reportable segments 1  
Company-owned operated restaurants
   
Franchisor Disclosure [Line Items]    
Number of restaurants 367  
Number of states in which restaurants are located 35  
Franchised restaurants
   
Franchisor Disclosure [Line Items]    
Number of restaurants 129  
Number of states in which restaurants are located 19  
Number of Canadian provinces in which restaurants are located 2