Consolidated Results of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 26, 2016	Nov. 28, 2015	Nov. 26, 2016	Nov. 28, 2015
Income Statement [Abstract]
Net sales	$ 274,072	$ 238,324	$ 800,407	$ 719,040
Cost of sales	201,204	175,898	590,581	544,326
Gross profit	72,868	62,426	209,826	174,714
Selling, general and administrative expenses	39,609	34,568	117,269	106,209
Operating income	33,259	27,858	92,557	68,505
Interest income	271	258	799	762
Interest expense	150	159	495	477
Other income (expense), net	(158)	(75)	350	(120)
Earnings before income taxes	33,222	27,882	93,211	68,670
Income tax expense (benefit)	10,670	9,361	30,540	23,264
Net earnings	$ 22,552	$ 18,521	$ 62,671	$ 45,406
Earnings per share - basic
Net earnings	$ 0.78	$ 0.64	$ 2.18	$ 1.56
Earnings per share - diluted
Net earnings	$ 0.78	$ 0.63	$ 2.17	$ 1.54
Weighted average basic shares outstanding	28,828	29,181	28,807	29,137
Weighted average diluted shares outstanding	28,892	29,466	28,913	29,479