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Accumulated Other Comprehensive Loss - Details of Amount Reclassified from AOCL (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Other expense, net | $ (6.8) | $ (8.4) | $ (7.6) | $ (23.4)
Cost of sales | 929.1 | 962.8 | 1,857.9 | 1,906.5
Total pre-tax amount | (135.5) | (139.2) | (254.6) | (235.9)
Tax benefit (expense) | 37.7 | 45.3 | 73.4 | 79.1
Net of tax | (97.8) | (93.9) | (181.2) | (156.8)
Total reclassifications for the period | (0.1) | (0.3) | (1.3) | (0.4)
Defined benefit pension plans and other post-employment benefits |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Total reclassifications for the period |  |  | (2.0) | (1.8)
Reclassification out of Accumulated Other Comprehensive Income | Net settlement credit (cost) |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Other expense, net | 0.0 | 0.1 | 0.0 | (0.1)
Reclassification out of Accumulated Other Comprehensive Income | Prior service credit |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Other expense, net | 0.2 | 0.1 | 0.2 | 0.1
Reclassification out of Accumulated Other Comprehensive Income | Actuarial losses |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Other expense, net | (1.4) | (1.2) | (2.8) | (2.4)
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 | (1.2) | (1.0) | (2.6) | (2.4)
Tax benefit (expense) | 0.3 | 0.2 | 0.6 | 0.6
Net of tax | (0.9) | (0.8) | (2.0) | (1.8)
Reclassification out of Accumulated Other Comprehensive Income | Net gains on cash flow hedging derivatives |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Total pre-tax amount | 1.1 | 0.9 | 0.9 | 2.0
Tax benefit (expense) | (0.3) | (0.4) | (0.2) | (0.6)
Net of tax | 0.8 | 0.5 | 0.7 | 1.4
Reclassification out of Accumulated Other Comprehensive Income | Net gains on cash flow hedging derivatives | Foreign currency forward contracts |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Cost of sales | 1.0 | 0.8 | 0.8 | 1.9
Reclassification out of Accumulated Other Comprehensive Income | Net gains on cash flow hedging derivatives | Treasury locks |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |
Interest expense, net | $ 0.1 | $ 0.1 | $ 0.1 | $ 0.1

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