Other (Income) Expense, Net - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 9 Months Ended | ||||
---|---|---|---|---|---|---|---|
Sep. 30, 2023 |
Jun. 30, 2023 |
Mar. 31, 2023 |
Sep. 30, 2022 |
Jun. 30, 2023 |
Sep. 30, 2023 |
Sep. 30, 2022 |
|
Other Income and Expenses [Abstract] | |||||||
Total loss from remeasurement of benefit plans | $ 1.0 | $ (4.8) | $ (1.7) | $ 37.2 | |||
Decrease in liability | 6.5 | 5.2 | 299.9 | ||||
Investment losses on plan assets | 5.5 | 73.6 | 1.7 | 262.7 | |||
Investment on plan assets | 5.6 | ||||||
Lump sum based loss | 1.3 | ||||||
Investment gains on plan assets | 68.8 | ||||||
Gain on insurance proceeds received | $ 0.0 | $ 1.5 | $ 11.3 | $ 11.3 | $ 1.5 | ||
Total Recovery | $ 1.5 | $ 9.8 |