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Income Taxes - Summary of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
 12 Months Ended 24 Months Ended
Dec. 31, 2023
Dec. 25, 2022
Dec. 26, 2021
Dec. 30, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]        
Unrecognized tax benefits—beginning of year $ 1.2 $ 20.2 $ 21.5  
Gross additions—current year tax positions 0.0 0.1 0.1  
Gross additions—prior year tax positions 0.0 0.0 0.1  
Gross reductions—prior year tax positions (0.3) (17.8) (1.5)  
Gross reductions—settlements with taxing authorities 0.0 (1.3) 0.0 $ (19.0)
Unrecognized tax benefits—end of year 0.9 1.2 20.2  
Unrecognized tax benefits—accrued interest and penalties 0.7 0.5 3.0  
Gross unrecognized tax benefits $ 1.6 $ 1.7 $ 23.2