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Commitments and Contingencies, Asbestos (Details) $ in Thousands	1 Months Ended		3 Months Ended	6 Months Ended		238 Months Ended
	Nov. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2021 USD ($) Claim	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) Claim	Aug. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)
Asbestos [Abstract]
Accrued asbestos liabilities			$ 55,226	$ 54,035		$ 54,035
Asbestos [Member]
Asbestos [Abstract]
Pending claims, approximate number | Claim				1,610		1,610
Payment for settled claims and awards related damages, including interest						$ 53,100
Accrued asbestos liabilities	$ 63,000	$ 58,100
Incremental pre-tax provision	$ 17,000
Asbestos [Member] | Minimum [Member]
Asbestos [Abstract]
Range of possible loss			63,000				$ 58,100
Asbestos [Member] | Maximum [Member]
Asbestos [Abstract]
Range of possible loss			99,100				$ 99,300
Asbestos [Member] | California Case [Member]
Asbestos [Abstract]
Range of possible loss								$ 7,600
Compensatory damages judgment			$ 7,600
Compensatory damages judgment interest percentage			10.00%
Asbestos [Member] | Discontinued Operations [Member]
Asbestos [Abstract]
Incremental pre-tax provision		$ 8,700
Total operating cash outflows related to discontinued operations				$ 5,500	$ 3,400
Asbestos [Member] | Discontinued Operations [Member] | Minimum [Member]
Asbestos [Abstract]
Range of possible loss			$ 48,700
Asbestos [Member] | Discontinued Operations [Member] | Maximum [Member]
Asbestos [Abstract]
Range of possible loss			$ 95,400

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