STOCK BASED COMPENSATION (Summary of Components of Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Share-Based Payment Arrangement [Abstract]
Restricted stock awards	$ 10,641	$ 9,378	$ 11,010
Restricted stock units	3,701	3,519	3,939
Performance-based restricted stock units	2,232	3,906	3,475
Stock-based compensation expense	$ 16,574	$ 16,803	$ 18,424