Consolidated Results of Operations (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 01, 2012	Aug. 27, 2011	Sep. 01, 2012	Aug. 27, 2011
Income Statement [Abstract]
Net sales	$ 175,940	$ 165,557	$ 330,074	$ 318,895
Cost of sales	139,803	139,605	262,862	269,257
Gross profit	36,137	25,952	67,212	49,638
Selling, general and administrative expenses	28,584	28,629	57,342	55,743
Operating income (loss)	7,553	(2,677)	9,870	(6,105)
Interest income	43	277	315	554
Interest expense	251	300	614	609
Other income, net	155	91	173	94
Earnings (loss) from continuing operations before income taxes	7,500	(2,609)	9,744	(6,066)
Income tax expense (benefit)	2,681	(932)	3,319	(2,212)
Earnings (loss) from continuing operations	4,819	(1,677)	6,425	(3,854)
Earnings from discontinued operations, net of income taxes	238	0	238	0
Net earnings (loss)	$ 5,057	$ (1,677)	$ 6,663	$ (3,854)
Earnings per share - basic
Earnings (loss) from continuing operations	$ 0.17	$ (0.06)	$ 0.23	$ (0.14)
Earnings from discontinued operations	$ 0.01	$ 0.00	$ 0.01	$ 0.00
Net earnings (loss)	$ 0.18	$ (0.06)	$ 0.24	$ (0.14)
Earnings per share - diluted
Earnings (loss) from continuing operations	$ 0.17	$ (0.06)	$ 0.23	$ (0.14)
Earnings from discontinued operations	$ 0.01	$ 0.00	$ 0.01	$ 0.00
Net earnings (loss)	$ 0.18	$ (0.06)	$ 0.24	$ (0.14)
Weighted average basic shares outstanding	27,922	27,796	27,855	27,829
Weighted average diluted shares outstanding	28,436	27,796	28,330	27,829
Cash dividends declared per common share	$ 0.0900	$ 0.0815	$ 0.1800	$ 0.1630