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v3.25.3

Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Effective Tax Rate Reconciliation |  |  |
Statutory tax rate | 21.00% | 21.00% | 21.00%
State and local income taxes | (0.10%) | 0.20% | 1.50%
Non-United States taxes | (3.80%) | (4.20%) | (4.70%)
Repatriation of foreign earnings | 1.00% | 0.90% | 0.90%
Foreign-derived intangible income | (1.50%) | (0.70%) | (0.60%)
Settlements with taxing authorities and tax refund claims | 0.60% | (1.20%) | 0.30%
Change in valuation allowance | 3.60% | 0.50% | 4.10%
Share-based compensation | (1.10%) | (0.20%) | (0.60%)
Research and development tax credit | (2.90%) | (2.00%) | (1.30%)
Other | 1.50% | (0.50%) | (0.10%)
Effective income tax rate | 18.30% | 13.80% | 20.50%
Effective income tax rate reconciliation, change in deferred tax assets valuation allowance and nondeductible goodwill impairment losses, percent | 3.60% |  | 4.10%

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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the repatriation of foreign earnings and deemed income, net of related foreign tax credits. + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 + Details
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