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, 2023		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						958,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)						967,000
Purchase of treasury stock	(71,738)					$ (71,738)
Issuance of treasury stock (in shares)		(3,000)				(3,000)
Issuance of treasury stock	0		(185)			$ 185
Issuance of restricted stock awards (in shares)		655,000
Forfeiture of restricted stock awards (in shares)		(8,000)
Stock-based compensation	8,100		8,100
Dividend paid to stockholders	(17,781)				(17,781)
Dividend payable to stockholders	(17,771)				(17,771)
Net income	77,318				77,318
Other comprehensive income	8,703			8,703
Ending balance (in shares) at Feb. 29, 2024		32,579,000
Ending balance at Feb. 29, 2024	1,093,874	$ 3	505,349	(155,289)	859,325	$ (115,514)
Treasury stock, ending balance (in shares) at Feb. 29, 2024						1,922,000
Beginning balance (in shares) at Nov. 30, 2023		32,416,000
Beginning balance at Nov. 30, 2023	1,082,244	$ 3	500,795	(160,412)	855,606	$ (113,748)
Treasury stock, beginning balance (in shares) at Nov. 30, 2023						1,899,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)						23,000
Purchase of treasury stock	(1,766)					$ (1,766)
Issuance of restricted stock awards (in shares)		167,000
Forfeiture of restricted stock awards (in shares)		(4,000)
Stock-based compensation	4,554		4,554
Dividend paid to stockholders	(17,781)				(17,781)
Dividend payable to stockholders	(17,771)				(17,771)
Net income	39,271				39,271
Other comprehensive income	5,123			5,123
Ending balance (in shares) at Feb. 29, 2024		32,579,000
Ending balance at Feb. 29, 2024	$ 1,093,874	$ 3	505,349	(155,289)	859,325	$ (115,514)
Treasury stock, ending balance (in shares) at Feb. 29, 2024						1,922,000
Beginning balance (in shares) at Aug. 31, 2024	30,635,556	32,571,000
Beginning balance at Aug. 31, 2024	$ 1,122,965	$ 3	514,542	(164,590)	890,272	$ (117,262)
Treasury stock, beginning balance (in shares) at Aug. 31, 2024	1,935,302					1,935,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)						63,000
Purchase of treasury stock	$ (5,752)					$ (5,752)
Issuance of treasury stock (in shares)	(65,000)	(65,000)				(65,000)
Issuance of treasury stock	$ 0		(4,000)			$ 4,000
Issuance of restricted stock awards (in shares)		189,000
Forfeiture of restricted stock awards (in shares)		(5,000)
Stock-based compensation	9,022		9,022
Dividend paid to stockholders	(19,376)				(19,376)
Dividend payable to stockholders	(19,411)				(19,411)
Net income	81,188				81,188
Other comprehensive income	$ 3,950			3,950
Ending balance (in shares) at Feb. 28, 2025	30,756,551	32,690,000
Ending balance at Feb. 28, 2025	$ 1,172,586	$ 3	519,564	(160,640)	932,673	$ (119,014)
Treasury stock, ending balance (in shares) at Feb. 28, 2025	1,933,021					1,933,000
Beginning balance (in shares) at Nov. 30, 2024		32,634,000
Beginning balance at Nov. 30, 2024	$ 1,158,578	$ 3	519,035	(167,606)	927,700	$ (120,554)
Treasury stock, beginning balance (in shares) at Nov. 30, 2024						1,971,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)						27,000
Purchase of treasury stock	(2,460)					$ (2,460)
Issuance of treasury stock (in shares)		(65,000)				(65,000)
Issuance of treasury stock	0		(4,000)			$ 4,000
Issuance of restricted stock awards (in shares)		123,000
Forfeiture of restricted stock awards (in shares)		(2,000)
Stock-based compensation	4,529		4,529
Dividend paid to stockholders	(19,376)				(19,376)
Dividend payable to stockholders	(19,411)				(19,411)
Net income	43,760				43,760
Other comprehensive income	$ 6,966			6,966
Ending balance (in shares) at Feb. 28, 2025	30,756,551	32,690,000
Ending balance at Feb. 28, 2025	$ 1,172,586	$ 3	$ 519,564	$ (160,640)	$ 932,673	$ (119,014)
Treasury stock, ending balance (in shares) at Feb. 28, 2025	1,933,021					1,933,000