Consolidated Results of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 29, 2015	Aug. 30, 2014
Income Statement [Abstract]
Net sales	$ 240,754	$ 231,945	$ 480,716	$ 442,828
Cost of sales	184,055	182,624	368,429	352,069
Gross profit	56,699	49,321	112,287	90,759
Selling, general and administrative expenses	34,276	33,825	71,640	67,446
Operating income	22,423	15,496	40,647	23,313
Interest income	267	215	504	463
Interest expense	150	225	318	417
Other income (expense), net	(93)	195	(43)	1,477
Earnings before income taxes	22,447	15,681	40,790	24,836
Income tax expense (benefit)	7,687	(1,110)	13,904	1,944
Net earnings	$ 14,760	$ 16,791	$ 26,886	$ 22,892
Earnings per share - basic
Net earnings	$ 0.51	$ 0.59	$ 0.92	$ 0.80
Earnings per share - diluted
Net earnings	$ 0.50	$ 0.57	$ 0.91	$ 0.78
Weighted average basic shares outstanding	29,187	28,774	29,116	28,776
Weighted average diluted shares outstanding	29,492	29,306	29,486	29,345