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v3.24.3

Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Operating Loss Carryforwards [Line Items] |  |  |  |
Income Tax Holiday, Aggregate Dollar Amount | $ 7,200 | $ 6,000 | $ 8,500 |
Income Tax Holiday, Income Tax Benefits Per Share | $ 0.12 | $ 0.10 | $ 0.14 |
Deferred Tax Assets, Operating Loss Carryforwards | $ 34,787 | $ 40,201 |  |
Deferred Tax Assets, Tax Credit Carryforwards | 25,052 | 23,883 |  |
Valuation Allowance, Deferred Tax Asset, Change in Amount | (4,300) | (2,200) |  |
Unrecognized Tax Benefits | 86,877 | 79,167 | $ 66,840 | $ 70,814
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 56,200 | 51,200 | 43,200 |
Unrecognized Tax Benefits, Period Increase (Decrease) | 5,600 | 3,300 | $ (1,500) |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 11,800 | $ 6,200 |  |
Foreign [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration | 54,900 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 200 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards | 400 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Subject to Expiration | 2,600 |  |  |
Domestic Tax Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration | 53,300 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 16,200 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards | 69,500 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Subject to Expiration | 3,500 |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration | 45,500 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 153,800 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards | 199,300 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards | 33,900 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Subject to Expiration | $ 3,400 |  |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479360/740-10-S99-2 + Details
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