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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Oct. 01, 2023
Income Taxes [Line Items] |  |  |
Deferred tax asset | $ 3,300 |  |
Gross unrecognized tax benefits | 4,085 | $ 5,833 | $ 5,833
Interest and penalties | 1,400 | $ 1,400 |
Domestic Country |  |  |
Income Taxes [Line Items] |  |  |
Net operating loss (NOL) carryforwards | 4,500 |  |
Foreign Country |  |  |
Income Taxes [Line Items] |  |  |
Net operating loss (NOL) carryforwards | $ 9,100 |  |
Minimum [Member] | State And Local Jurisdiction |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carry forwards expiration year | 2025 |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local 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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