Contingencies (Details) $ in Millions		1 Months Ended			12 Months Ended
	Jun. 30, 2018 Party	Sep. 30, 2021 USD ($) mi	Nov. 30, 2019 USD ($)	Mar. 31, 2016 Party mi	Dec. 28, 2024 USD ($) contaminant	Dec. 30, 2023 USD ($)
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss, Area of Land | mi		9		8.3
Loss Contingency, Estimate of Possible Loss					$ 1,380.0
Loss Contingency, Number of Parties | Party	100			100
Number of Contaminants | contaminant					8
Gain (Loss) from Litigation Settlement			$ 0.6
Insurance Environmental and Litigation Matters [Member]
Loss Contingencies [Line Items]
Reserves for insurance, environmental and litigation contingencies					$ 97.1	$ 95.1
Insurance Settlements Receivable, Noncurrent					39.0	$ 36.0
Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss					165.0
Loss Contingency, Number of Parties | Party	40
Plant, One [Member]
Loss Contingencies [Line Items]
Gain (Loss) from Litigation Settlement			0.3
Plant, Two [Member]
Loss Contingencies [Line Items]
Gain (Loss) from Litigation Settlement			$ 0.3
Lower Passaic River Area
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 441.0
Loss Contingency, Damages Paid, Value					$ 0.3