CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2022	Nov. 30, 2021
Income Statement [Abstract]
Net sales	$ 2,227,313	$ 1,981,801
Costs and operating expenses:
Cost of goods sold	1,719,414	1,586,410
Selling, general and administrative expenses	156,355	122,595
Interest expense	13,045	11,035
Costs and operating expenses	1,888,814	1,720,040
Earnings before income taxes	338,499	261,761
Income taxes	76,725	28,872
Net earnings	$ 261,774	$ 232,889
Earnings per share:
Basic (in USD per share)	$ 2.23	$ 1.92
Diluted (in USD per share)	$ 2.20	$ 1.90
Average basic shares outstanding (shares)	117,273,743	121,129,679
Average diluted shares outstanding (shares)	118,925,442	122,797,738