Consolidated Statements of Comprehensive Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	May 28, 2023	May 29, 2022
Net earnings	$ 1,854	$ 1,910
Other comprehensive loss, net of tax:
Other comprehensive earnings (loss)	716	(933)
Total comprehensive earnings	2,570	977
Gains on Marketable Securities [Member]
Other comprehensive loss, net of tax:
Unrealized holding gains arising during the period	592	9
Less: reclassification adjustment for gains included in net earnings	0	(7)
Losses on Marketable Securities [Member]
Other comprehensive loss, net of tax:
Unrealized holding gains arising during the period	0	(938)
Less: reclassification adjustment for gains included in net earnings	$ 124	$ 3