Consolidated Results of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 27, 2016	Aug. 29, 2015	Aug. 27, 2016	Aug. 29, 2015
Income Statement [Abstract]
Net sales	$ 278,455	$ 240,754	$ 526,335	$ 480,716
Cost of sales	205,924	184,055	389,377	368,429
Gross profit	72,531	56,699	136,958	112,287
Selling, general and administrative expenses	39,483	34,276	77,661	71,640
Operating income	33,048	22,423	59,297	40,647
Interest income	252	267	528	504
Interest expense	188	150	345	318
Other income (expense), net	254	(93)	509	(43)
Earnings before income taxes	33,366	22,447	59,989	40,790
Income tax expense (benefit)	10,969	7,687	19,870	13,904
Net earnings	$ 22,397	$ 14,760	$ 40,119	$ 26,886
Earnings per share - basic
Net earnings	$ 0.78	$ 0.51	$ 1.39	$ 0.92
Earnings per share - diluted
Net earnings	$ 0.77	$ 0.50	$ 1.39	$ 0.91
Weighted average basic shares outstanding	28,891	29,187	28,797	29,116
Weighted average diluted shares outstanding	28,963	29,492	28,932	29,486