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FAIR VALUE MEASUREMENTS - Additional Information (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Sep. 30, 2025
Accrued Expenses and Other Current Liabilities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration	$ 1,023	$ 82
Other Long-term Liabilities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration	$ 9,650	$ 3,489

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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