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Other Comprehensive Income (Loss) - Schedule of Changes in Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Pre-tax | $ 1.8 | $ (12.7) | $ (7.7) | $ 12.5
Tax | 6.6 | (0.9) | 5.3 | (4.1)
Other comprehensive income (loss) | 8.4 | (13.6) | (2.4) | 8.4
Pension and OPEB liability adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Pre-tax | (0.1) | 0.0 | 0.3 | 1.2
Tax | 0.3 | 0.0 | 0.2 | (0.7)
Other comprehensive income (loss) | 0.2 | 0.0 | 0.5 | 0.5
Derivative instrument adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Pre-tax | (17.0) | 5.7 | (15.7) | 6.7
Tax | 3.5 | (1.6) | 1.9 | (2.7)
Other comprehensive income (loss) | (13.5) | 4.1 | (13.8) | 4.0
Unrealized foreign currency translation adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Pre-tax | 18.9 | (18.4) | 7.7 | 4.6
Tax | 2.8 | 0.7 | 3.2 | (0.7)
Other comprehensive income (loss) | $ 21.7 | $ (17.7) | $ 10.9 | $ 3.9

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