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Commitments and Contingencies, Asbestos (Details) - Asbestos [Member] $ in Millions		1 Months Ended		211 Months Ended
	Feb. 28, 2019 USD ($)	Nov. 30, 2018 USD ($)	Aug. 31, 2018 USD ($)	Mar. 31, 2019 USD ($) Claim
Asbestos [Abstract]
Pending claims, approximate number | Claim				1,490
Payments for settled claims				$ 27.0
Compensatory damages, gross amount		$ 8.6
Compensatory damages, amount of company responsibility	$ 7.6	7.4
Litigation settlement accrued interest rate	10.00%
Minimum [Member]
Asbestos [Abstract]
Range of possible loss			$ 37.1	46.7
Maximum [Member]
Asbestos [Abstract]
Range of possible loss			56.9	83.9
Discontinued Operations [Member]
Asbestos [Abstract]
Incremental pre-tax provision		$ 10.1	$ 3.5
Discontinued Operations [Member] | Minimum [Member]
Asbestos [Abstract]
Range of possible loss				45.0
Discontinued Operations [Member] | Maximum [Member]
Asbestos [Abstract]
Range of possible loss				$ 83.1

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