CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Treasury Stock
Beginning Balance (in shares) at Aug. 31, 2022		31,698,000
Beginning balance at Aug. 31, 2022	$ 991,073	$ 3	$ 481,406	$ (195,586)	$ 736,894	$ (31,644)
Treasury stock, beginning balance (in shares) at Aug. 31, 2022						793,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)						21,000
Purchase of treasury stock	(1,300)					$ (1,300)
Issuance of treasury stock (in shares)		(7,000)				(7,000)
Issuance of treasury stock	0		(546)			$ 546
Issuance of restricted stock awards (in shares)		174,000
Forfeiture of restricted stock awards (in shares)		(7,000)
Stock-based compensation	4,236		4,236
Net income	32,905				32,905
Other comprehensive income (loss)	(551)			(551)
Ending Balance (in shares) at Nov. 30, 2022		31,858,000
Ending balance at Nov. 30, 2022	$ 1,026,363	$ 3	485,096	(196,137)	769,799	$ (32,398)
Treasury stock, ending balance (in shares) at Nov. 30, 2022						807,000
Beginning Balance (in shares) at Aug. 31, 2023	30,976,941	31,935,000
Beginning balance at Aug. 31, 2023	$ 1,107,043	$ 3	497,434	(163,992)	817,559	$ (43,961)
Treasury stock, beginning balance (in shares) at Aug. 31, 2023	957,959					958,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)						944,000
Purchase of treasury stock	$ (69,972)					$ (69,972)
Issuance of treasury stock (in shares)	(3,000)	(3,000)				(3,000)
Issuance of treasury stock			(185)			$ 185
Issuance of restricted stock awards (in shares)		488,000
Forfeiture of restricted stock awards (in shares)		(4,000)
Stock-based compensation	$ 3,546		3,546
Net income	38,047
Other comprehensive income (loss)	$ 3,580			3,580
Ending Balance (in shares) at Nov. 30, 2023	30,516,876	32,416,000
Ending balance at Nov. 30, 2023	$ 1,082,244	$ 3	$ 500,795	$ (160,412)	$ 855,606	$ (113,748)
Treasury stock, ending balance (in shares) at Nov. 30, 2023	1,899,295					1,899,000