Consolidated Results of Operations (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 01, 2012	Nov. 26, 2011	Dec. 01, 2012	Nov. 26, 2011
Income Statement [Abstract]
Net sales	$ 190,416	$ 174,853	$ 520,490	$ 493,748
Cost of sales	148,176	140,125	411,038	409,383
Gross profit	42,240	34,728	109,452	84,365
Selling, general and administrative expenses	30,829	27,572	88,170	83,314
Operating income	11,411	7,156	21,282	1,051
Interest income	253	216	569	769
Interest expense	330	434	945	1,042
Other income (expense), net	198	(90)	370	4
Earnings from continuing operations before income taxes	11,532	6,848	21,276	782
Income tax expense (benefit)	3,480	1,312	6,800	(900)
Earnings from continuing operations	8,052	5,536	14,476	1,682
Earnings from discontinued operations, net of income taxes	0	0	239	0
Net earnings	$ 8,052	$ 5,536	$ 14,715	$ 1,682
Earnings per share - basic
Earnings from continuing operations	$ 0.29	$ 0.20	$ 0.52	$ 0.06
Earnings from discontinued operations	$ 0.00	$ 0.00	$ 0.01	$ 0.00
Net earnings	$ 0.29	$ 0.20	$ 0.53	$ 0.06
Earnings per share - diluted
Earnings from continuing operations	$ 0.28	$ 0.20	$ 0.51	$ 0.06
Earnings from discontinued operations	$ 0.00	$ 0.00	$ 0.01	$ 0.00
Net earnings	$ 0.28	$ 0.20	$ 0.52	$ 0.06
Weighted average basic shares outstanding	28,029	27,663	27,913	27,773
Weighted average diluted shares outstanding	28,832	27,824	28,497	27,943
Cash dividends declared per common share	$ 0.0900	$ 0.0815	$ 0.2700	$ 0.2445