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Segment Information - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Sep. 30, 2025
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Schedule of Long-lived Assets by Geographic Region [Line Items] |  |
Long-lived assets | $ 197,284 | $ 156,947
United States |  |
Schedule of Long-lived Assets by Geographic Region [Line Items] |  |
Long-lived assets | 156,347 | 118,414
Other Americas |  |
Schedule of Long-lived Assets by Geographic Region [Line Items] |  |
Long-lived assets | 1,960 | 1,696
Total Americas |  |
Schedule of Long-lived Assets by Geographic Region [Line Items] |  |
Long-lived assets | 158,307 | 120,110
EMEA |  |
Schedule of Long-lived Assets by Geographic Region [Line Items] |  |
Long-lived assets | 24,350 | 20,985
APAC |  |
Schedule of Long-lived Assets by Geographic Region [Line Items] |  |
Long-lived assets | $ 14,627 | $ 15,852

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- Definition Schedule of Long-lived Assets by Geographic Region [Line Items] + References No definition available. + Details
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- Definition Amount of long-lived asset, excluding financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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