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Retirement and Other Postretirement Benefit Plans - Schedule of Amounts Recognized on Balance Sheet (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Amounts recognized on the balance sheet:          
Other non-current liabilities $ 32.7   $ 32.7   $ 42.6
Defined Benefit Retirement Plans | U.S.          
Amounts recognized on the balance sheet:          
Accrued liabilities 13.9   13.9   1.3
Other non-current liabilities 4.4   4.4   16.8
Total accrued benefit $ 18.3   $ 18.3   $ 18.1
Defined Benefit Plan, Tax Status [Extensible List] Non qualified Non qualified Non qualified Non qualified Non qualified
Defined Benefit Retirement Plans | European          
Amounts recognized on the balance sheet:          
Accrued liabilities $ 1.2   $ 1.2   $ 0.8
Other non-current liabilities 13.5   13.5   12.3
Total accrued benefit 14.7   14.7   13.1
Postretirement Health Care and Life Insurance Benefit Plans          
Amounts recognized on the balance sheet:          
Accrued liabilities 0.2   0.2   0.2
Other non-current liabilities 0.9   0.9   0.9
Total accrued benefit $ 1.1   $ 1.1   $ 1.1