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Postretirement Health Care Plans (Details) - Postretirement Health Coverage - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Postretirement Health Care Plans [Line Items]        
Interest cost $ 0.5 $ 0.4 $ 0.9 $ 0.9
Expected return on plan assets (0.2) (0.1) (0.3) (0.3)
Amortization of unrecognized gain (0.3) (0.3) (0.6) (0.6)
Net periodic pension cost (benefit) $ 0.0 $ 0.0 $ 0.0 $ 0.0