Consolidated Results of Operations (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 30, 2014	Aug. 31, 2013	Aug. 30, 2014	Aug. 31, 2013
Income Statement [Abstract]
Net sales	$ 231,945	$ 178,287	$ 442,828	$ 357,598
Cost of sales	182,624	139,752	352,069	282,677
Gross profit	49,321	38,535	90,759	74,921
Selling, general and administrative expenses	33,825	29,177	67,446	59,449
Operating income	15,496	9,358	23,313	15,472
Interest income	215	213	463	387
Interest expense	225	246	417	745
Other income (expense), net	195	(104)	1,477	(34)
Earnings before income taxes	15,681	9,221	24,836	15,080
Income tax expense (benefit)	(1,110)	3,100	1,944	4,800
Net earnings	$ 16,791	$ 6,121	$ 22,892	$ 10,280
Earnings per share - basic
Net earnings	$ 0.59	$ 0.21	$ 0.80	$ 0.36
Earnings per share - diluted
Net earnings	$ 0.57	$ 0.21	$ 0.78	$ 0.35
Weighted average basic shares outstanding	28,774	28,394	28,776	28,417
Weighted average diluted shares outstanding	29,306	29,211	29,345	29,274