LEASES - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Leases [Abstract]
Operating lease expense	$ 8,659	$ 8,377	$ 25,991	$ 25,750
Finance lease expense:
Amortization of assets	3,268	3,270	9,722	9,729
Interest on lease liabilities	508	555	1,520	1,673
Total finance lease expense	3,776	3,825	11,242	11,402
Variable and short-term lease expense	6,046	4,584	16,197	13,871
Total lease expense	$ 18,481	$ 16,786	$ 53,430	$ 51,023