Consolidated Statements of Comprehensive Earnings (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 02, 2013	Mar. 03, 2012	Feb. 26, 2011
Statement of Other Comprehensive Income [Abstract]
Net earnings (loss)	$ 19,111	$ 4,645	$ (10,332)
Other comprehensive (loss) earnings:
Unrealized loss on marketable securities, net of $15, $8 and $88 tax benefit, respectively	(28)	(15)	(165)
Unrealized loss on foreign currency hedge, net of $147 tax benefit	(258)	0	0
Unrealized loss on pension obligation, net of $95, $759 and $288 tax benefit, respectively	(168)	(1,331)	(506)
Foreign currency translation adjustments	(1,867)	(2,529)	576
Other comprehensive loss	(2,321)	(3,875)	(95)
Total comprehensive earnings (loss)	$ 16,790	$ 770	$ (10,427)