Contingencies (Details) $ in Thousands		1 Months Ended		3 Months Ended
	Jun. 30, 2018 Party	Nov. 30, 2019 USD ($)	Mar. 31, 2016 Party mi	Jul. 02, 2022 USD ($) contaminate	Feb. 02, 2022 USD ($)	Jan. 01, 2022 USD ($)	Sep. 30, 2021 USD ($)
Loss Contingencies [Line Items]
Area of land | mi			8.3
Number of parties | Party	100		100
Loss related to litigation settlement		$ 600
Number of contaminants | contaminate				8
Insurance Environmental and Litigation Matters [Member]
Loss Contingencies [Line Items]
Reserves for insurance, environmental and litigation contingencies				$ 107,500		$ 78,400
Insurance settlements receivable				45,900		$ 31,800
Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of parties | Party	40
Plant, One [Member]
Loss Contingencies [Line Items]
Loss related to litigation settlement		300
Plant, Two [Member]
Loss Contingencies [Line Items]
Loss related to litigation settlement		$ 300
Maryland Department of Environment
Loss Contingencies [Line Items]
Estimate of possible loss					$ 300
Lower Passaic River Area
Loss Contingencies [Line Items]
Estimate of possible loss				1,380,000			$ 441,000
Lower Passaic River Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Estimate of possible loss				$ 165,000