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Discontinued Operations - Components of Discontinued Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Discontinued operations, net of income taxes $ (45.6) $ (0.9) $ (2.8) $ (12.5) $ (57.2) $ (8.3) $ (21.5) $ (11.5) $ (61.8) $ (98.5) $ (97.2)
Adjustment for workers’ compensation, product liability, other postretirement benefits and other, net of income tax benefit (expense)                 (2.5) (0.9) (2.5)
Provision for environmental liabilities and expenses, net of recoveries, net of income tax benefit (expense)                 8.7 18.0 13.8
Discontinued operations gain on insurance settlement                 18.0    
Adjustment for workers’ compensation, product liability, and other postretirement benefits and other, net of income tax benefit (expense) of $(2.5) in 2024, $(0.9) in 2023 and $(2.5) in 2022                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Discontinued operations, net of income taxes                 (5.2) (3.0) (3.9)
Provision for environmental liabilities, net of recoveries, net of income tax benefit (expense)                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Discontinued operations, net of income taxes                 (32.8) (65.6) (53.8)
Provision for legal reserves and expenses, net of recoveries, net of income tax benefit (expense) of [$—] in 2024, $7.9 in 2023, and $10.5 in 2022                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Discontinued operations, net of income taxes                 (23.8) (29.9) (39.5)
Provision for legal reserves and expenses, net of recoveries, net of income tax benefit                 $ 6.3 7.9 $ 10.5
Discontinued Foreign Environmental Liabilities                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Discontinued operations, net of income taxes                   $ (11.7)