Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May. 30, 2015	May. 31, 2014	May. 30, 2015	May. 31, 2014
Net revenues	$ 266,510	$ 247,747	$ 725,456	$ 699,228
Cost of goods sold	238,327	221,266	648,629	623,940
Gross profit	28,183	26,481	76,827	75,288
Operating expenses:
Selling	5,150	4,887	14,703	13,709
General and administrative	6,453	6,005	19,154	16,577
Impairment (gain) on fixed assets	(462)	0	(462)	629
Total operating expenses	12,065	10,892	34,319	29,657
Operating income	16,118	15,589	42,508	45,631
Non-operating income	0	735	35	752
Income before income taxes	16,118	16,324	42,543	46,383
Provision for taxes	4,616	4,939	13,050	14,259
Net income	$ 11,502	$ 11,385	$ 29,493	$ 32,124
Income per common share:
Basic	$ 0.43	$ 0.42	$ 1.09	$ 1.17
Diluted	$ 0.43	$ 0.42	$ 1.09	$ 1.16
Weighted average common shares outstanding:
Basic (in shares)	26,932	27,209	26,942	27,552
Diluted (in shares)	27,030	27,319	27,042	27,666
Other comprehensive income (loss):
Amortization of prior service credit (net of tax of $556, $557, $1,554 and $1,567)	$ (903)	$ (925)	$ (2,525)	$ (2,601)
Amortization of net actuarial loss (net of tax of $154, $103, $412 and $304)	249	173	668	505
Plan amendment, (net of tax of $0, $0, $581 and $1,346)	0	0	944	2,234
Unrealized appreciation of investments (net of tax of $0, $0, $0 and $91)	0	0	0	151
Total other comprehensive (loss) income	(654)	(752)	(913)	289
Comprehensive income	$ 10,848	$ 10,633	$ 28,580	$ 32,413