LEASES - Lease Cost (Details) $ in Thousands	3 Months Ended
	Nov. 30, 2019 USD ($)
Leases [Abstract]
Operating lease expense	$ 8,790
Finance lease expense:
Amortization of assets	2,165
Interest on lease liabilities	401
Total finance lease expense	2,566
Variable and short term-lease expense	3,933
Total lease expense	$ 15,289