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Other Comprehensive Income (Loss) - Schedule of Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive income, net of tax | $ 416.6 | $ 428.2 | $ 858.5 | $ 898.0 | $ 906.9 | $ 949.1
Accumulated other comprehensive income, net of tax |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive income, net of tax | 12.5 | $ 11.2 | 13.1 | $ 28.3 | $ 32.6 | $ 39.1
Accumulated pension and OPEB liability adjustments |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss, income tax benefit (expense) | 4.8 |  | 4.7 |  |  |
Accumulated other comprehensive income, net of tax | (20.6) |  | (20.7) |  |  |
Accumulated unrealized gain on derivative instruments |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss, income tax benefit (expense) | (10.2) |  | 10.2 |  |  |
Accumulated other comprehensive income, net of tax | 8.1 |  | 19.9 |  |  |
Accumulated unrealized foreign currency translation adjustments |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss, income tax benefit (expense) | 15.2 |  | 14.6 |  |  |
Accumulated other comprehensive income, net of tax | $ 25.0 |  | $ 13.9 |  |  |

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