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v3.25.2

Business and Asset Actions - Global Cost Reduction Plan (Details) - Global Cost Reduction Plan $ in Millions | 3 Months Ended | 9 Months Ended | 25 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) position | Sep. 30, 2024 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Charge for severance and other postemployment benefits | $ 0.0 | $ 66.1 | $ 0.0 | $ 57.0 | $ 66.1 | $ 150.1 |
Number of employees to whom involuntary termination benefits are payable | position |  |  |  |  |  | 2,400 |
Cash payments |  |  |  |  | (40.5) |  |
Currency translation adjustment |  |  |  |  | 1.8 |  |
Amount accrued | $ 61.4 |  |  |  | $ 61.4 | $ 61.4 | $ 34.0

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