CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 21, 2020	Nov. 23, 2019
Income Statement [Abstract]
Net sales	$ 3,154,261	$ 2,793,038
Cost of sales, including warehouse and delivery expenses	1,478,644	1,291,970
Gross profit	1,675,617	1,501,068
Operating, selling, general and administrative expenses	1,060,392	1,001,045
Operating profit	615,225	500,023
Interest expense, net	46,179	43,743
Income before income taxes	569,046	456,280
Income tax expense	126,613	105,942
Net income	$ 442,433	$ 350,338
Weighted average shares for basic earnings per share	23,223	23,875
Effect of dilutive stock equivalents	555	618
Weighted average shares for diluted earnings per share	23,778	24,493
Basic earnings per share	$ 19.05	$ 14.67
Diluted earnings per share	$ 18.61	$ 14.30