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COMPREHENSIVE INCOME (LOSS) | 6 Months Ended
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Mar. 31, 2026
Equity [Abstract] |
COMPREHENSIVE INCOME (LOSS) | COMPREHENSIVE INCOME (LOSS) The following table provides the rollforward of accumulated other comprehensive income (loss) for the six months ended March 31, 2026:
(in millions) | Foreign Currency Translation |  | Derivative Financial Instruments |  | Minimum Pension Liability Adjustment |  | Accumulated Other Comprehensive Income (Loss)
Balance as of September 30, 2025 | $ | (201.1) |  |  | $ | 8.1 |  |  | $ | (57.8) |  |  | $ | (250.8) |
Other comprehensive income (loss) | (4.6) |  |  | (0.9) |  |  | 2.1 |  |  | (3.4) |
Balance as of March 31, 2026 | $ | (205.7) |  |  | $ | 7.2 |  |  | $ | (55.7) |  |  | $ | (254.2) |
The following table provides the rollforward of accumulated other comprehensive income (loss) for the six months ended March 31, 2025:
(in millions) | Foreign Currency Translation |  | Derivative Financial Instruments |  | Minimum Pension Liability Adjustment |  | Accumulated Other Comprehensive Income (Loss)
Balance as of September 30, 2024 | $ | (265.9) |  |  | $ | (5.0) |  |  | $ | (76.7) |  |  | $ | (347.6) |
Other comprehensive income (loss) | (32.9) |  |  | 30.3 |  |  | 2.1 |  |  | (0.5) |
Balance as of March 31, 2025 | $ | (298.8) |  |  | $ | 25.3 |  |  | $ | (74.6) |  |  | $ | (348.1) |
The components of accumulated other comprehensive income (loss) above are presented net of tax, as applicable.

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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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