Consolidated Statements of Comprehensive Earnings (unaudited) - USD ($) $ in Thousands	3 Months Ended
	May 28, 2016	May 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings	$ 17,722	$ 12,126
Other comprehensive earnings:
Unrealized loss on marketable securities, net of $9 and $33 of tax benefit, respectively	(14)	(64)
Foreign currency translation adjustments	2,893	(3,011)
Other comprehensive earnings (loss)	2,879	(3,075)
Total comprehensive earnings	$ 20,601	$ 9,051