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v3.24.3

Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Foreign currency translation adjustment: |  |  |  |
Balance at beginning of period | $ (789.1) | $ (849.1) |  |
Other comprehensive (loss) income before reclassifications | (3.8) | (28.6) |  |
Amount reclassified from accumulated other comprehensive loss, net of tax | 1.2 | 0.5 |  |
Balance at end of period | (791.7) | (877.2) |  |
Derivative Instrument: |  |  |  |
Balance at beginning of period | 33.5 | 35.0 |  |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax | 0.0 | 0.5 |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 2.1 | 1.3 |  |
Balance at end of period | 31.4 | 34.2 |  |
Defined Benefit Pension and Other Postretirement Plans |  |  |  |
Balance at beginning of period | (185.8) | (172.8) | $ (190.6) | $ (179.6)
Other comprehensive (loss) income before reclassifications | 0.8 | 2.8 |  |
Amount reclassified from accumulated other comprehensive loss, net of tax | 4.0 | 4.0 |  |
Total: |  |  |  |
Balance at beginning of period | (946.2) | (993.7) |  |
Other comprehensive (loss) income before reclassifications | (3.0) | (25.3) |  |
Amount reclassified from accumulated other comprehensive loss, net of tax | 3.1 | 3.2 |  |
Balance at end of period | $ (946.1) | $ (1,015.8) |  |

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