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System Optimization Gains, Net Summary of Disposition Activity (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2024
USD ($)
number_of_restaurants
Apr. 02, 2023
USD ($)
number_of_restaurants
System optimization gains, net    
Company-operated restaurant ownership percentage 5.00%  
Proceeds from sales of restaurants | $ $ 26 $ 287
System optimization gains, net | $ $ (127) $ 5
Sale of franchise-operated restaurants to franchisees    
System optimization gains, net    
Number of restaurants sold to franchisees | number_of_restaurants 11 0
Sale or Purchase of company-operated restaurants to franchisees    
System optimization gains, net    
Number of restaurants sold to franchisees | number_of_restaurants 0 0
Restaurants acquired from franchisees | number_of_restaurants 0 0
Sale of other assets    
System optimization gains, net    
Proceeds from sales of restaurants | $ $ 26 $ 287