STOCK BASED COMPENSATION (Summary of Components of Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
STOCK BASED COMPENSATION [Abstract]
Restricted stock awards	$ 9,378	$ 11,010	$ 8,747
Restricted stock units	3,519	3,939	3,011
Performance-based restricted stock units	3,906	3,475	2,059
Stock-based compensation expense	$ 16,803	$ 18,424	$ 13,817