EARNINGS PER SHARE (Schedule of the Computation of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended
	Nov. 30, 2024	Nov. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 37,428,000	$ 38,047,000
Less: Allocation of income to unvested stockholders	(1,043,000)	(631,000)
Net income available for distribution, Basic	36,385,000	37,416,000
Net income available for distribution, Diluted	$ 36,385,000	$ 37,416,000
Basic weighted average shares outstanding (in shares)	30,019	30,269
Add dilutive effect of performance stock units (two-class method) (in shares)	1	0
Diluted average shares outstanding (in shares)	30,020	30,269
Basic net income per share (in dollars per share)	$ 1.21	$ 1.24
Diluted net income per share (in dollars per share)	$ 1.21	$ 1.24