LEASES (Summary of Components of Total Lease Costs) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	May 31, 2020	May 31, 2020
LEASES [Abstract]
Operating lease cost	$ 4,338	$ 12,831
Short-term lease cost	64	146
Variable lease cost	856	2,983
Sublease income	(258)	(829)
Total lease costs	$ 5,000	$ 15,131