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Commitments and Contingencies, Asbestos (Details) - Asbestos [Member] $ in Millions	6 Months Ended		226 Months Ended
	Jun. 30, 2020 USD ($) Claim	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Claim	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Asbestos [Abstract]
Pending claims, approximate number | Claim	1,600		1,600
Payments for settled claims			$ 33.4
Minimum [Member]
Asbestos [Abstract]
Range of possible loss	$ 52.0		52.0	$ 52.0
Increase in the range of possible loss					$ 5.3
Incremental pre-tax provision	9.7
Maximum [Member]
Asbestos [Abstract]
Range of possible loss	90.6		90.6
Increase in the range of possible loss					6.7
California Case [Member]
Asbestos [Abstract]
Range of possible loss					$ 7.6
Discontinued Operations [Member]
Asbestos [Abstract]
Total operating cash outflows related to discontinued operations	3.4	$ 5.1
Discontinued Operations [Member] | Minimum [Member]
Asbestos [Abstract]
Range of possible loss	50.6		50.6
Discontinued Operations [Member] | Maximum [Member]
Asbestos [Abstract]
Range of possible loss	$ 85.2		$ 85.2

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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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