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. 14, 2013
Jul. 08, 2012
Apr. 21, 2013
Apr. 15, 2012
Jul. 14, 2013
item
Jul. 08, 2012
Basis of Presentation and Recent Accounting Pronouncements            
Number of operating segments         1  
Number of reportable segments         1  
Length of reporting period 84 days 84 days 112 days 112 days 196 days 196 days
Company-owned operated restaurants
           
Basis of Presentation and Recent Accounting Pronouncements            
Number of restaurants 344       344  
Number of states in which restaurants are located 33       33  
Franchised restaurants
           
Basis of Presentation and Recent Accounting Pronouncements            
Number of restaurants 133       133  
Number of states in which restaurants are located 21       21  
Number of Canadian provinces in which restaurants are located 2       2