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Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Unrecognized tax benefits—beginning of year $ 33.4 $ 83.1 $ 96.1
Gross additions—current year tax positions 2.1 2.1 2.6
Gross additions—prior year tax positions 0.2 0.0 2.0
Gross additions (reductions)—purchase accounting adjustments 0.0 0.0 0.0
Gross reductions—prior year tax positions (10.1) (50.5) (16.6)
Gross reductions—settlements with taxing authorities 0.0 (1.3) (1.0)
Unrecognized tax benefits—end of year $ 25.6 $ 33.4 $ 83.1