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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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