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Revenue - Other (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 25, 2018
Revenue    
Estimated gift cards sold by Company that are never redeemed (as a percent) 4.00%  
Gift card fees $ 9,100 $ 5,200
Deferred revenue-gift cards 209,258 192,242
Franchise royalties and fees    
Revenue    
Deferred revenue recognized $ 300  
Ongoing royalties received as a percentage of gross sales from domestic franchisees and international franchisee 4.00%  
Sales percentage, remittance to marketing and advertising 0.30%  
Gift cards    
Revenue    
Deferred revenue-gift cards $ 209,300 192,200
Deferred revenue recognized 135,200 108,700
Other Liabilities | Franchise royalties and fees    
Revenue    
Deferred revenue $ 1,900 $ 1,800