Consolidated Statements of Comprehensive Earnings (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 01, 2014	Mar. 02, 2013	Mar. 03, 2012
Statement of Other Comprehensive Income [Abstract]
Net earnings	$ 27,986	$ 19,111	$ 4,645
Other comprehensive earnings:
Unrealized loss on marketable securities, net of $46, $15 and $8 tax benefit, respectively	(83)	(28)	(15)
Unrealized gain (loss) on foreign currency hedge, net of $183 and $(147) tax expense (benefit), respectively	320	(258)	0
Unrealized gain (loss) on pension obligation, net of $10, $(95) and $(759) tax expense (benefit), respectively	19	(168)	(1,331)
Foreign currency translation adjustments	(6,135)	(1,867)	(2,529)
Other comprehensive loss	(5,879)	(2,321)	(3,875)
Total comprehensive earnings	$ 22,107	$ 16,790	$ 770