Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Recent Accounting Pronouncements - Additional Information (Details)

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Basis of Presentation and Recent Accounting Pronouncements - Additional Information (Details)
$ in Thousands
 3 Months Ended 4 Months Ended 9 Months Ended
Oct. 01, 2017
USD ($)
state
province
restaurant
Oct. 02, 2016
USD ($)
Apr. 17, 2016
USD ($)
Oct. 01, 2017
USD ($)
state
province
restaurant
segment
Oct. 02, 2016
USD ($)
Franchisor Disclosure [Line Items]          
Number of operating segments | segment       1  
Number of reportable segments | segment       1  
Asset impairment and restaurant closure costs $ 0 $ 9,321 $ 800 $ 1,584 $ 14,006
Litigation contingencies $ 0 0   $ 0 3,900
Restatement Adjustment          
Franchisor Disclosure [Line Items]          
Asset impairment and restaurant closure costs   (9,300)      
Selling, General and Administrative Expenses | Restatement Adjustment          
Franchisor Disclosure [Line Items]          
Asset impairment and restaurant closure costs         (14,000)
Litigation contingencies         (3,900)
Other Charges | Restatement Adjustment          
Franchisor Disclosure [Line Items]          
Asset impairment and restaurant closure costs   $ 9,300     14,000
Litigation contingencies         $ 3,900
Company-owned operated restaurants          
Franchisor Disclosure [Line Items]          
Number of restaurants | restaurant 479     479  
Number of states in which restaurants are located | state 39     39  
Number of Canadian provinces in which restaurants are located | province 2     2  
Franchised restaurants          
Franchisor Disclosure [Line Items]          
Number of restaurants | restaurant 86     86  
Number of states in which restaurants are located | state 15     15