Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	12 Months Ended
	Mar. 02, 2025	Mar. 03, 2024	Feb. 26, 2023
Net earnings	$ 5,882	$ 7,473	$ 10,731
Other comprehensive earnings (loss)	1,606	1,973	(2,279)
Total comprehensive earnings	7,488	9,446	8,452
Gains on Marketable Securities [Member]
Unrealized holding gains arising during the period	1,615	1,844	240
Less: reclassification adjustment for gains included in net earnings	0	0	(7)
Losses on Marketable Securities [Member]
Unrealized holding gains arising during the period	(49)	(110)	(2,567)
Less: reclassification adjustment for gains included in net earnings	$ 40	$ 239	$ 55