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FAIR VALUE MEASUREMENTS - Additional Information (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Sep. 30, 2024
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Accrued Expenses and Other Current Liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Contingent consideration | $ 1,506 | $ 716
Other Long-term Liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Contingent consideration | $ 2,544 | $ 1,636

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