Balance Sheet Components - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
||
|---|---|---|---|---|
| Balance Sheet Related Disclosures [Abstract] | ||||
| Prepaid expenses | $ 9,961 | $ 9,626 | ||
| Contract assets | 6,186 | 3,857 | ||
| Asset acquisition purchase consideration | 20,000 | 0 | ||
| Insurance receivable for litigation settlement costs | 16,340 | 0 | ||
| Other current assets | 1,752 | 1,721 | ||
| Prepaid expense and other assets, current | [1] | $ 54,239 | $ 15,204 | |
| ||||
| X | ||||||||||
- Definition Asset Acquisition, Prepaid Consideration No definition available.
|
| X | ||||||||||
- Definition Insurance Receivable For Litigation Settlement Costs No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of the asset arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of current assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|