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Commitments And Contingencies (Asbestos Claims Activity) (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 12, 2022 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Loss Contingencies [Line Items] |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  | $ (162.4) | $ 0.0 | $ 0.0
Discontinued Operations, Disposed of by Sale | Asbestos-Related Assets and Liabilities |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Cash | $ (550.0) |  |  |  |
Current insurance receivable | (13.8) |  |  |  |
Long-term insurance receivable | (49.4) |  |  |  |
Deferred tax asset | (107.9) |  |  |  |
Current asbestos liability | 62.5 |  |  |  |
Long-term asbestos liability | 509.7 |  |  |  |
Loss on divestiture of asbestos-related assets and liabilities, before transaction costs | (148.9) |  |  |  |
Transaction costs | (13.5) | $ 13.5 |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | $ (162.4) | $ 162.4 |  |  |

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