Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Aug. 28, 2021	Aug. 29, 2020	Aug. 31, 2019
Income Statement [Abstract]
Net revenues	$ 3,629,847	$ 2,355,533	$ 1,985,674
Cost of goods sold	2,979,484	2,042,605	1,678,477
Gross profit	650,363	312,928	307,197
Selling, general, and administrative expenses	228,581	177,061	142,295
Amortization	14,361	22,104	9,635
Total operating expenses	242,942	199,165	151,930
Operating income	407,421	113,763	155,267
Interest expense, net	40,365	37,461	17,939
Non-operating income	(394)	(974)	(1,581)
Income before income taxes	367,450	77,276	138,909
Provision for income taxes	85,579	15,834	27,111
Net income	$ 281,871	$ 61,442	$ 111,798
Earnings Per Share [Abstract]
Basic (in dollars per share)	$ 8.41	$ 1.85	$ 3.55
Diluted (in dollars per share)	$ 8.28	$ 1.84	$ 3.52
Weighted average common shares outstanding:
Basic (in shares)	33,528	33,236	31,536
Diluted (in shares)	34,056	33,454	31,721
Other comprehensive income (loss), net of tax:
Amortization of net actuarial loss (net of tax of $12, $12, and $10)	$ 35	$ 33	$ 32
Interest rate swap activity (net of tax of $0, $22, and $454)	0	(68)	(1,415)
Other comprehensive income (loss)	35	(35)	(1,383)
Comprehensive income	$ 281,906	$ 61,407	$ 110,415