Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	12 Months Ended
	Feb. 27, 2021	Feb. 29, 2020	Mar. 02, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 15,436	$ 61,914	$ 45,694
Other comprehensive earnings (loss):
Unrealized gain on marketable securities, net of $22, $67 and $17 of tax expense, respectively	80	257	64
Unrealized gain on marketable securities, tax	22	67	17
Unrealized gain (loss) on foreign currency hedge, net of $450, $(129) and $(172) of tax expense (benefit), respectively	1,475	(423)	(565)
Unrealized gain (loss) on foreign currency hedge, tax	450	(129)	(172)
Unrealized gain (loss) on pension obligation, net of $32, $(124) and $72 of tax expense (benefit), respectively	105	(405)	229
Unrealized gain (loss) on pension obligation, tax	32	(124)	72
Foreign currency translation adjustments	4,375	(1,364)	(7,065)
Other comprehensive earnings (loss)	6,035	(1,935)	(7,337)
Total comprehensive earnings	$ 21,471	$ 59,979	$ 38,357