Consolidated Statements of Comprehensive Earnings (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 29, 2015	Aug. 30, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 14,760	$ 16,791	$ 26,886	$ 22,892
Other comprehensive earnings:
Unrealized gain (loss) on marketable securities, net of $16, $56, $70 and $(95) tax expense (benefit), respectively	0	17	(63)	99
Unrealized gain (loss) on foreign currency hedge, net of $-, $184, $(36) and $264 tax expense (benefit), respectively	0	0	0	(62)
Foreign currency translation adjustments	(2,140)	417	(5,151)	2,567
Other comprehensive earnings (loss)	(2,140)	434	(5,214)	2,604
Total comprehensive earnings	$ 12,620	$ 17,225	$ 21,672	$ 25,496