CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Treasury Stock	Noncontrolling Interests
Beginning balance, shares at Aug. 31, 2021		129,060,664
Beginning balance at Aug. 31, 2021	$ 2,295,109	$ 1,290	$ 368,064	$ (84,820)	$ 2,162,925	$ (152,582)	$ 232
Beginning balance, treasury stock, shares at Aug. 31, 2021						(8,474,075)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	616,203				616,203
Other comprehensive income (loss)	(7,056)
Dividends	(34,011)
Treasury stock acquired, shares						(495,000)
Treasury stock acquired	(17,010)					$ (17,010)
Issuance of stock under incentive and purchase plans, net of shares withheld for taxes	(10,719)		(29,333)			$ 18,614
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						1,404,279
Stock-based compensation	18,340		18,340
Reclassification of share-based liability awards	9,091		9,091
Ending balance, shares at Feb. 28, 2022		129,060,664
Ending balance at Feb. 28, 2022	2,869,947	$ 1,290	366,162	(91,876)	2,745,117	$ (150,978)	232
Ending balance, treasury stock, shares at Feb. 28, 2022						(7,564,796)
Beginning balance, shares at Nov. 30, 2021		129,060,664
Beginning balance at Nov. 30, 2021	2,486,189	$ 1,290	357,413	(105,329)	2,378,789	$ (146,206)	232
Beginning balance, treasury stock, shares at Nov. 30, 2021						(7,580,725)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	383,314				383,314
Other comprehensive income (loss)	13,453			13,453
Dividends	(16,986)				(16,986)
Treasury stock acquired, shares						(335,500)
Treasury stock acquired	(11,699)					$ (11,699)
Issuance of stock under incentive and purchase plans, net of shares withheld for taxes	5,652		(1,275)			$ 6,927
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						351,429
Stock-based compensation	10,024		10,024
Ending balance, shares at Feb. 28, 2022		129,060,664
Ending balance at Feb. 28, 2022	$ 2,869,947	$ 1,290	366,162	(91,876)	2,745,117	$ (150,978)	232
Ending balance, treasury stock, shares at Feb. 28, 2022						(7,564,796)
Beginning balance, shares at Aug. 31, 2022	129,060,664	129,060,664
Beginning balance at Aug. 31, 2022	$ 3,286,429	$ 1,290	382,767	(114,451)	3,312,438	$ (295,847)	232
Beginning balance, treasury stock, shares at Aug. 31, 2022	(11,564,611)					(11,564,611)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 441,623				441,623
Other comprehensive income (loss)	138,947
Dividends	$ (37,524)				(37,524)
Treasury stock acquired, shares	(1,605,452)					(1,605,452)
Treasury stock acquired	$ (66,323)					$ (66,323)
Issuance of stock under incentive and purchase plans, net of shares withheld for taxes	(14,789)		(43,157)			$ 28,368
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						1,314,706
Stock-based compensation	25,138		25,138
Reclassification of share-based liability awards	$ 9,692		9,692
Ending balance, shares at Feb. 28, 2023	129,060,664	129,060,664
Ending balance at Feb. 28, 2023	$ 3,783,193	$ 1,290	374,440	24,496	3,716,537	$ (333,802)	232
Ending balance, treasury stock, shares at Feb. 28, 2023	(11,855,357)					(11,855,357)
Beginning balance, shares at Nov. 30, 2022		129,060,664
Beginning balance at Nov. 30, 2022	$ 3,584,235	$ 1,290	361,199	(10,189)	3,555,425	$ (323,722)	232
Beginning balance, treasury stock, shares at Nov. 30, 2022						(11,769,027)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	179,849				179,849
Other comprehensive income (loss)	34,685			34,685
Dividends	$ (18,737)				(18,737)
Treasury stock acquired, shares	(330,000)					(330,000)
Treasury stock acquired	$ (17,174)					$ (17,174)
Issuance of stock under incentive and purchase plans, net of shares withheld for taxes	8,724		1,630			$ 7,094
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						243,670
Stock-based compensation	$ 11,611		11,611
Ending balance, shares at Feb. 28, 2023	129,060,664	129,060,664
Ending balance at Feb. 28, 2023	$ 3,783,193	$ 1,290	$ 374,440	$ 24,496	$ 3,716,537	$ (333,802)	$ 232
Ending balance, treasury stock, shares at Feb. 28, 2023	(11,855,357)					(11,855,357)