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Defined Benefit Plans - Components of Net Periodic Benefit Income for Pension Benefits (Detail) - Net Periodic Benefit Cost [Member] - Pension Benefits [Member] - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 01, 2023
Jun. 30, 2022
Jul. 01, 2023
Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0.1 $ 0.1 $ 0.1 $ 0.2
Interest cost 6.7 5.1 13.6 10.2
Expected return on plan assets (7.1) (7.1) (14.3) (14.1)
Net periodic benefit income $ (0.3) $ (1.9) $ (0.6) $ (3.7)