STOCKHOLDERS’ EQUITY - Share Repurchases (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Equity [Abstract]
Repurchase of common stock under the share repurchase program (in shares)	430,350	46,200	797,385
Total cost of shares repurchased	$ 176,720	$ 18,639	$ 264,702
Equity, Class of Treasury Stock [Line Items]
Excise tax on share repurchases	$ 932
Restricted stock
Equity, Class of Treasury Stock [Line Items]
Shares repurchased from employees (in shares)	32,444	14,489	12,932
Value of shares repurchased in settlement of employee tax withholding obligations	$ 13,700	$ 6,200	$ 4,300