Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Basis of Presentation and Recent Accounting Pronouncements - Additional Information (Details)
$ in Thousands
4 Months Ended
Apr. 21, 2019
USD ($)
state
province
restaurant
segment
Dec. 31, 2018
USD ($)
Dec. 30, 2018
USD ($)
Franchisor Disclosure [Line Items]      
Number of operating segments | segment 1    
Number of reportable segments | segment 1    
Other non-current liabilities $ 10,337   $ 11,523
Deferred rent $ 0 $ 0 $ 75,675
Company-owned operated restaurants      
Franchisor Disclosure [Line Items]      
Number of restaurants | restaurant 483    
Number of states in which restaurants are located | state 39    
Number of Canadian provinces in which restaurants are located | province 2    
Franchised restaurants      
Franchisor Disclosure [Line Items]      
Number of restaurants | restaurant 89    
Number of states in which restaurants are located | state 16    
Accounting Standards Update 2016-02      
Franchisor Disclosure [Line Items]      
Deferred rent   (75,675)  
Accounting Standards Update 2016-02 | Adjustments      
Franchisor Disclosure [Line Items]      
Other non-current liabilities   1,400  
Deferred rent   $ (1,400)