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)
3 Months Ended 4 Months Ended 6 Months Ended
Jul. 13, 2014
Jul. 14, 2013
Apr. 20, 2014
Apr. 21, 2013
Jul. 13, 2014
segment
Jul. 14, 2013
Franchisor Disclosure [Line Items]            
Length of fiscal period 84 days 84 days 112 days 112 days 196 days 196 days
Number of operating segments         1  
Number of reportable segments         1  
Company-owned operated restaurants
           
Franchisor Disclosure [Line Items]            
Number of restaurants 372       372  
Number of states in which restaurants are located 35       35  
Franchised restaurants
           
Franchisor Disclosure [Line Items]            
Number of restaurants 130       130  
Number of states in which restaurants are located 19       19  
Number of Canadian provinces in which restaurants are located 2       2