Consolidated Results of Operations (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 29, 2014	Nov. 30, 2013	Nov. 29, 2014	Nov. 30, 2013
Income Statement [Abstract]
Net sales	$ 244,410	$ 199,430	$ 687,238	$ 557,028
Cost of sales	187,757	156,042	539,826	438,719
Gross profit	56,653	43,388	147,412	118,309
Selling, general and administrative expenses	36,028	30,681	103,474	90,129
Operating income	20,625	12,707	43,938	28,180
Interest income	243	206	706	593
Interest expense	357	228	774	973
Other income (expense), net	(16)	107	1,461	72
Earnings before income taxes	20,495	12,792	45,331	27,872
Income tax expense (benefit)	6,759	3,124	8,703	7,924
Net earnings	$ 13,736	$ 9,668	$ 36,628	$ 19,948
Earnings per share - basic
Net earnings	$ 0.47	$ 0.34	$ 1.27	$ 0.70
Earnings per share - diluted
Net earnings	$ 0.47	$ 0.33	$ 1.25	$ 0.68
Weighted average basic shares outstanding	28,725	28,483	28,759	28,439
Weighted average diluted shares outstanding	29,358	29,376	29,350	29,308