Consolidated Statements of Comprehensive Earnings (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 01, 2013	Jun. 02, 2012
Statement of Other Comprehensive Income [Abstract]
Net earnings	$ 4,159	$ 1,606
Other comprehensive earnings:
Unrealized (loss) gain on marketable securities, net of $(29) and $12 tax (benefit) expense, respectively	(53)	24
Unrealized loss on foreign currency hedge, net of $24 tax benefit	(41)	0
Foreign currency translation adjustments	252	497
Other comprehensive earnings	158	521
Total comprehensive earnings	$ 4,317	$ 2,127