Consolidated Statements Of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Feb. 27, 2016	Feb. 28, 2015	Mar. 01, 2014
Statement of Stockholders' Equity [Abstract]
Unrealized gain (loss) on marketable securities, tax	$ 38	$ 88	$ (46)
Unrealized gain (loss) on foreign currency hedge, tax	0	(36)	183
Unrealized gain (loss) on pension obligation, tax	$ 347	$ (830)	$ 10
Cash dividends per share	$ 0.455	$ 0.41	$ 0.37