Stock-Based Compensation and Equity Grants - Narrative (Details) - shares shares in Millions |
9 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| 2025 Plan | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number of shares available for grant (in shares) | 1.2 | |
| Employee Stock Option | 2025 Plan | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expiration term of share-based compensation plan | 10 years | |
| Restricted Stock Units | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected term (years) | 3 years | 3 years |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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