Consolidated Statements of Comprehensive Earnings (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 28, 2015	Nov. 29, 2014	Nov. 28, 2015	Nov. 29, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 18,521	$ 13,736	$ 45,406	$ 36,628
Other comprehensive earnings:
Unrealized gain (loss) on marketable securities, net of $16, $56, $70 and $(95) tax expense (benefit), respectively	18	30	(45)	129
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	(4,106)	(4,583)	(9,257)	(2,016)
Other comprehensive earnings (loss)	(4,088)	(4,553)	(9,302)	(1,949)
Total comprehensive earnings	$ 14,433	$ 9,183	$ 36,104	$ 34,679