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Subsequent Event (Details)
$ in Millions
Dec. 28, 2022
USD ($)
restaurant
Dec. 29, 2021
USD ($)
restaurant
Seven franchise restaurants    
Subsequent Events    
Number of restaurants acquired | restaurant   7
Purchase price paid | $   $ 26.4
Subsequent Events. | Eight franchise restaurants    
Subsequent Events    
Number of restaurants acquired | restaurant 8  
Purchase price paid | $ $ 39.0