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Pension and Other Postretirement Plans - Schedule of Net Benefit Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Sep. 24, 2023	Sep. 29, 2024	Sep. 24, 2023
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Interest cost	1.3	1.7	3.9	4.9
Expected return on plan assets	(1.0)	(1.8)	(3.1)	(5.3)
Net periodic (benefit) cost	0.3	(0.1)	0.8	(0.4)
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.1	0.1	0.4	0.3
Interest cost	0.1	0.1	0.3	0.2
Expected return on plan assets	0.0	0.0	0.0	0.0
Net periodic (benefit) cost	$ 0.2	$ 0.2	$ 0.7	$ 0.5

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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