v3.26.1
Related Party Transactions (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
restaurant
Jul. 01, 2025
USD ($)
restaurant
Jun. 30, 2026
USD ($)
restaurant
Jul. 01, 2025
USD ($)
restaurant
Franchise        
Related Party Transactions        
Number of restaurants 100 102 100 102
Officers, directors and shareholders        
Related Party Transactions        
Number of restaurants 3 5 3 5
Officers, directors and shareholders | Majority-owned        
Related Party Transactions        
Number of restaurants 1 1 1 1
Officers, directors and shareholders | Franchise        
Related Party Transactions        
Royalties and fees received from franchise and license restaurants | $ $ 0.4 $ 0.7 $ 0.8 $ 1.3