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v3.25.4

Other Comprehensive Income (Loss) - Schedule of reclassifications (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Affected Line in the Consolidated Statement of Operations: |  |
Net revenue | $ 550.2 | $ 706.9
Cost of Product and Service Sold | (366.5) | (471.9)
Tax expense | 12.9 | (6.4)
Total reclassifications for the period, net of tax | 0.1 | 0.7
Amortization of Pension and Postretirement |  |
Affected Line in the Consolidated Statement of Operations: |  |
Total reclassifications for the period, net of tax | 0.2 | 0.0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent |  |
Affected Line in the Consolidated Statement of Operations: |  |
Total reclassifications for the period, net of tax | (0.1) | 0.7
Reclassifications out of accumulated other comprehensive income (loss) |  |
Affected Line in the Consolidated Statement of Operations: |  |
Net revenue | (0.1) | 0.3
Operating expenses | 0.2 | (0.5)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 0.1 | 0.8
Tax expense | 0.0 | (0.1)
Total reclassifications for the period, net of tax | 0.1 | 0.7
Reclassifications out of accumulated other comprehensive income (loss) | Accumulated Defined Benefit Plans Adjustment Net Loss Recognized [Member] |  |
Affected Line in the Consolidated Statement of Operations: |  |
Net revenue | 0.0 | 0.0
Operating expenses | 0.2 | 0.0
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 0.2 | 0.0
Reclassifications out of accumulated other comprehensive income (loss) | Accumulated Defined Benefit Plans Adjustment Prior Service Cost Recognized [Member] |  |
Affected Line in the Consolidated Statement of Operations: |  |
Net revenue | 0.0 | 0.0
Operating expenses | 0.0 | 0.0
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 0.0 | 0.0
Reclassifications out of accumulated other comprehensive income (loss) | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent |  |
Affected Line in the Consolidated Statement of Operations: |  |
Net revenue | (0.1) | 0.3
Operating expenses | 0.0 | (0.5)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | $ (0.1) | $ 0.8

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