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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions | Mar. 31, 2026 | Sep. 30, 2024
--- | --- | ---
Loss Contingencies [Line Items] |  |
Accrual for loss contingencies | $ 0.6 | $ 0.6
Loss contingency accrual classified as liability | 0.2 |
Accrued Expenses [Member] |  |
Loss Contingencies [Line Items] |  |
Accrual for loss contingencies | $ 0.4 |

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