Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 30, 2019	Nov. 24, 2018
Income Statement [Abstract]
Net revenues	$ 588,458	$ 493,648
Cost of goods sold	509,845	422,652
Gross profit	78,613	70,996
Selling, general, and administrative expenses	51,105	35,712
Amortization of intangible assets	3,614	2,659
Total operating expenses	54,719	38,371
Operating income	23,894	32,625
Interest expense	6,049	4,501
Non-operating income	(116)	(763)
Income before income taxes	17,961	28,887
Provision for income taxes	3,893	6,726
Net income	$ 14,068	$ 22,161
Income per common share:
Basic (in dollars per share)	$ 0.44	$ 0.70
Diluted (in dollars per share)	$ 0.44	$ 0.70
Weighted average common shares outstanding:
Basic (in shares)	32,067	31,567
Diluted (in shares)	32,267	31,814
Other comprehensive income (loss):
Amortization of net actuarial loss	$ 8	$ 8
Interest rate swap activity (net of tax of $22 and $7)		(22)
Interest rate swap activity (net of tax of $22 and $7)	(68)
Total other comprehensive income (loss)	(60)	(14)
Comprehensive income	$ 14,008	$ 22,147