LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 22,510	$ 21,223
Financing cash flows from finance leases	1,401	1,865
Total	$ 23,911	$ 23,088