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Restructuring, Business Transformation and Other Cost Saving Initiatives - Restructuring Reserve Roll Forward (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Expense | $ 6.8 |  |  | $ 76.0 |  |  | $ 24.9 | $ 120.0
2023 Cost Saving Initiatives |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Expense | 17.2 |  |  | 61.1 |  |  | 43.3 | 114.5
Severance Costs | 2023 and 2022 Cost Saving Initiatives |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring reserve, beginning | 40.2 | $ 45.5 | $ 75.4 | 32.3 | $ 28.0 | $ 35.9 | 75.4 | 35.9
Expense | 6.8 | 6.6 | 11.5 | 58.7 | 17.8 | 7.1 |  |
Payment | (4.7) | (11.9) | (42.2) | (31.8) | (13.4) | (15.6) |  |
Foreign currency and other adjustments | (2.1) | 0.0 | 0.8 | 0.1 | (0.1) | 0.6 |  |
Restructuring reserve, ending | $ 40.2 | $ 40.2 | $ 45.5 | $ 59.3 | $ 32.3 | $ 28.0 | $ 40.2 | $ 59.3

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