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Other (Income) Expense, Net - Schedule of Other (Income) Expense, Net (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Other Income and Expenses [Abstract]                  
Pension and postretirement non-service benefit (income) loss $ (1.3)     $ (1.2)     $ (4.1) $ (3.7)  
Loss (gain) from remeasurement of benefit plans 0.0 $ 1.0 $ 0.8 (1.0)     1.8 1.7  
Insurance recoveries 0.0     0.0 $ (1.5) $ (9.8) 0.0 (11.3) $ (31.3)
Foreign currency exchange (gain) loss 0.3     0.0     0.0 (0.1)  
Miscellaneous (income) expense 0.0     0.2     0.0 0.3  
Total other (income) expense, net $ (1.0)     $ (2.0)     $ (2.3) $ (13.1)