Consolidated Statements Of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Mar. 02, 2019	Mar. 03, 2018	Mar. 04, 2017
Statement of Stockholders' Equity [Abstract]
Unrealized gain (loss) on marketable securities, tax	$ 17	$ (29)	$ (45)
Unrealized gain (loss) on foreign currency hedge, tax	(172)	47	0
Unrealized gain (loss) on pension obligation, tax	$ 72	$ 87	$ 74
Cash dividends per share	$ 0.6475	$ 0.5775	$ 0.515

Aggregate dividends paid during the period for each share of common stock outstanding.

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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