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Accumulated Other Comprehensive Loss - Details of Amount Reclassified from AOCL (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] |  |  |  |
Other expense, net | $ (6.4) | $ (9.6) | $ (14.0) | $ (33.0)
Cost of sales | 943.6 | 968.5 | 2,801.5 | 2,875.0
Total pre-tax amount | (119.4) | (77.9) | (374.0) | (313.8)
Tax benefit (expense) | 30.7 | 20.3 | 104.1 | 99.4
Net of tax | (88.7) | (57.6) | (269.9) | (214.4)
Total reclassifications for the period | (1.7) | (0.2) | (3.0) | (0.6)
Defined benefit pension plans and other post-employment benefits |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Total reclassifications for the period |  |  | (3.0) | (2.7)
Reclassification out of Accumulated Other Comprehensive Income | Net settlement credit (cost) |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Other expense, net | 0.3 | 0.0 | 0.3 | (0.1)
Reclassification out of Accumulated Other Comprehensive Income | Prior service cost |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Other expense, net | (0.1) | 0.0 | 0.0 | 0.0
Reclassification out of Accumulated Other Comprehensive Income | Actuarial losses, net |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Other expense, net | (1.5) | (1.2) | (4.2) | (3.5)
Reclassification out of Accumulated Other Comprehensive Income | Defined benefit pension plans and other post-employment benefits |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Total pre-tax amount | (1.3) | (1.2) | (3.9) | (3.6)
Tax benefit (expense) | 0.3 | 0.3 | 0.9 | 0.9
Net of tax | (1.0) | (0.9) | (3.0) | (2.7)
Reclassification out of Accumulated Other Comprehensive Income | Net (losses) gains on cash flow hedging derivatives |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Total pre-tax amount | (1.0) | 1.0 | (0.1) | 3.0
Tax benefit (expense) | 0.3 | (0.3) | 0.1 | (0.9)
Net of tax | (0.7) | 0.7 | 0.0 | 2.1
Reclassification out of Accumulated Other Comprehensive Income | Net (losses) gains on cash flow hedging derivatives | Foreign currency forward contracts |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Cost of sales | (1.0) | 1.0 | (0.2) | 2.9
Reclassification out of Accumulated Other Comprehensive Income | Net (losses) gains on cash flow hedging derivatives | Treasury locks |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Interest expense, net | $ 0.0 | $ 0.0 | $ 0.1 | $ 0.1

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