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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