Consolidated Statements Of Shareholders' Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 02, 2013	Mar. 03, 2012	Feb. 26, 2011
Statement of Stockholders' Equity [Abstract]
Unrealized loss on marketable securities, tax	$ (15)	$ (8)	$ (88)
Unrealized loss on foreign currency hedge, tax	(147)	0	0
Unrealized loss on pension obligation, tax	$ (95)	$ (759)	$ (288)
Cash dividends per share	$ 0.36	$ 0.326	$ 0.326