CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Income Statement [Abstract]
Net sales	$ 2,003,051	$ 2,227,313
Costs and operating expenses:
Cost of goods sold	1,604,068	1,719,414
Selling, general and administrative expenses	162,532	156,355
Interest expense	11,756	13,045
Net costs and operating expenses	1,778,356	1,888,814
Earnings before income taxes	224,695	338,499
Income taxes	48,422	76,725
Net earnings	$ 176,273	$ 261,774
Earnings per share:
Basic (in USD per share)	$ 1.51	$ 2.23
Diluted (in USD per share)	$ 1.49	$ 2.20
Average basic shares outstanding (shares)	116,771,939	117,273,743
Average diluted shares outstanding (shares)	118,354,913	118,925,442