Consolidated Statements Of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Mar. 03, 2018	Mar. 04, 2017	Feb. 27, 2016
Statement of Stockholders' Equity [Abstract]
Unrealized gain (loss) on marketable securities, tax	$ (29)	$ (45)	$ 38
Unrealized gain (loss) on foreign currency hedge, tax	47	0	0
Unrealized gain (loss) on pension obligation, tax	$ 87	$ 74	$ 347
Cash dividends per share	$ 0.5775	$ 0.515	$ 0.455