v3.25.4

Reclassifications out of Accumulated Other Comprehensive Loss | 3 Months Ended
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Dec. 31, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Reclassifications out of Accumulated Other Comprehensive Loss | Reclassifications out of Accumulated Other Comprehensive Loss The accumulated balances and reporting period activities for the three months ended December 31, 2025 and 2024 related to reclassifications out of accumulated other comprehensive loss are summarized as follows (in millions):
| Pension Related Adjustments |  | Foreign Currency Translation Adjustments |  | Gain/(Loss) on Derivative Instruments |  | Accumulated Other Comprehensive Loss
Balances at September 30, 2025 | $ | (251.4) |  |  | $ | (652.4) |  |  | $ | 10.8 |  |  | $ | (893.0) |
Other comprehensive (loss) income before reclassification | 0.4 |  |  | 5.3 |  |  | 0.5 |  |  | 6.2 |
Amounts reclassified from accumulated other comprehensive (loss) income | 0.6 |  |  |  |  | (1.8) |  |  | (1.2) |
Balances at December 31, 2025 | $ | (250.4) |  |  | $ | (647.1) |  |  | $ | 9.5 |  |  | $ | (888.0) |
| Pension Related Adjustments |  | Foreign Currency Translation Adjustments |  | Gain/(Loss) on Derivative Instruments |  | Accumulated Other Comprehensive Loss
Balances at September 30, 2024 | $ | (252.0) |  |  | $ | (646.5) |  |  | $ | 15.8 |  |  | $ | (882.7) |
Other comprehensive (loss) income before reclassification | 13.8 |  |  | (105.5) |  |  | 11.9 |  |  | (79.8) |
Amounts reclassified from accumulated other comprehensive (loss) income | 0.5 |  |  | — |  |  | (2.8) |  |  | (2.3) |
Balances at December 31, 2024 | $ | (237.7) |  |  | $ | (752.0) |  |  | $ | 24.9 |  |  | $ | (964.8) |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/220/tableOfContent + Details
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