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) |