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Revenue Recognition - Contract Balances (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Dec. 31, 2017
Revenue disaggregation        
Cumulative effect of adoption of Topic 606 $ (266,939) $ (316,656) $ (304,013) $ (105,954)
Revenue recognized related to deferred revenue and customer loyalty program 33,200 34,000    
Contract liabilities 33,254 32,395    
Change 859      
Contract assets 5,100 6,000    
Amortization expense related to contract assets 3,200 3,500    
Franchise fees and unredeemed gift cards        
Revenue disaggregation        
Contract liabilities 19,890 20,346    
Change (456)      
Customer loyalty program        
Revenue disaggregation        
Contract liabilities 13,364 $ 12,049    
Change $ 1,315