Quarterly Data (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	Jun. 02, 2012	Mar. 03, 2012	Nov. 26, 2011	Aug. 27, 2011	May 28, 2011	Mar. 02, 2013	Mar. 03, 2012	Feb. 26, 2011
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 179,734	$ 190,416	$ 175,940	$ 154,134	$ 168,715	$ 174,853	$ 165,557	$ 153,338	$ 700,224	$ 662,463	$ 582,777
Gross profit	36,281	42,240	36,137	31,075	32,754	34,728	25,952	23,686	145,733	117,120	83,120
Earnings from continuing operations	4,301	8,052	4,819	1,606	3,015	5,536	(1,677)	(2,177)	18,778	4,697	(14,157)
Earnings (loss) from discontinued operations, net of income taxes	95	0	238	0	(52)	0	0	0	333	(52)	3,825
Net earnings (loss)	$ 4,396	$ 8,052	$ 5,057	$ 1,606	$ 2,963	$ 5,536	$ (1,677)	$ (2,177)	$ 19,111	$ 4,645	$ (10,332)
Earnings per share - basic
Earnings from continuing operations (in dollars per share)	$ 0.15	$ 0.29	$ 0.17	$ 0.06	$ 0.11	$ 0.20	$ (0.06)	$ (0.08)	$ 0.67	$ 0.17	$ (0.51)
Earnings from discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.01	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.01	$ 0.00	$ 0.14
Net earnings (loss) (in dollars per share)	$ 0.15	$ 0.29	$ 0.18	$ 0.06	$ 0.11	$ 0.20	$ (0.06)	$ (0.08)	$ 0.68	$ 0.17	$ (0.37)
Earnings per share - diluted
Earnings from continuing operations (in dollars per share)	$ 0.15	$ 0.28	$ 0.17	$ 0.06	$ 0.11	$ 0.20	$ (0.06)	$ (0.08)	$ 0.66	$ 0.17	$ (0.51)
Earnings from discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.01	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 0.01	$ 0.00	$ 0.14
Net earnings (loss) (in dollars per share)	$ 0.15	$ 0.28	$ 0.18	$ 0.06	$ 0.11	$ 0.20	$ (0.06)	$ (0.08)	$ 0.67	$ 0.17	$ (0.37)