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Divestitures (Details)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 28, 2022
USD ($)
restaurant
Mar. 27, 2022
USD ($)
Sep. 25, 2022
restaurant
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Impairment of franchise rights   $ 2.8  
Disposal group, disposed of by sale, not discontinued operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net sale proceeds $ 14.0    
Non-cash charge   $ 8.4  
Noncontrolling interest 4.2    
Unearned royalty stream $ 12.2    
Unearned royalty stream recognition period 10 years    
Disposal group, disposed of by sale, not discontinued operations | Corporate Joint Venture      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Ownership percentage in divested joint venture 51.00%    
Number of restaurants divested | restaurant 90   90