LEASES - SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Leases [Abstract]
Operating cash flows for operating leases	$ 9,355	$ 7,932	$ 8,942
Operating cash flows for finance leases	631	914	1,084
Financing cash flows for finance leases	$ 7,574	$ 7,792	$ 7,379