LEASES - Cash Flow and Other Information Related to Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash outflows from operating leases	$ 17,812	$ 17,594
Operating cash outflows from finance leases	1,125	787
Financing cash outflows from finance leases	7,761	6,426
Right-of-Use Assets Obtained in Exchange for Lease Obligations [Abstract]
Operating leases	20,249	28,942
Finance leases	$ 8,784	$ 13,040