Consolidated Statements of Comprehensive Earnings (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 31, 2014	Jun. 01, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 6,102	$ 4,159
Other comprehensive earnings:
Unrealized gain (loss) on marketable securities, net of $45 and $(29) tax expense (benefit), respectively	82	(53)
Unrealized loss on foreign currency hedge, net of $36 and $24 tax benefit, respectively	(62)	(41)
Foreign currency translation adjustments	2,150	252
Other comprehensive earnings (loss)	2,170	158
Total comprehensive earnings	$ 8,272	$ 4,317