Consolidated Statements of Comprehensive Earnings (unaudited) - USD ($) $ in Thousands	3 Months Ended
	May. 30, 2015	May. 31, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 12,126	$ 6,102
Other comprehensive earnings:
Unrealized gain (loss) on marketable securities, net of $16, $56, $70 and $(95) tax expense (benefit), respectively	(64)	82
Unrealized gain (loss) on foreign currency hedge, net of $-, $184, $(36) and $264 tax expense (benefit), respectively	0	(62)
Foreign currency translation adjustments	(3,011)	2,150
Other comprehensive earnings (loss)	(3,075)	2,170
Total comprehensive earnings	$ 9,051	$ 8,272