LEASES - SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Operating cash flows for operating leases	$ 3,557	$ 2,932
Operating cash flows for finance leases	404	791
Financing cash flows for finance leases	$ 3,947	$ 5,690