Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Feb. 27, 2022	20,965,144
Balance at Feb. 27, 2022	$ 2,096	$ 169,665	$ (24,767)	$ (1,965)	$ (9,397)
Balance (in shares) at Feb. 27, 2022					506,934
Net earnings	0	0	10,731	0		$ 10,731
Net earnings	0	0	10,731	0		$ 10,731
Unrealized loss on marketable securities, net of tax	$ 0	0	0	(2,279)	$ 0
Stock options exercised (in shares)	0				(13,000)	(3,250)
Stock options exercised	$ 0	(102)	0	0	$ 241
Stock-based compensation	0	369	0	0	0
Cash dividends	0	0	(28,658)	0	0
Cash dividends	$ (0)	(0)	28,658	(0)	$ 0
Stock options exercised (in shares)	(0)				13,000	3,250
Balance (in shares) at Feb. 26, 2023	20,965,144
Balance at Feb. 26, 2023	$ 2,096	169,932	(42,694)	(4,244)	$ (9,156)
Balance (in shares) at Feb. 26, 2023					493,934
Net earnings	0	0	7,473	0	$ 0	$ 7,473
Net earnings	0	0	7,473	0	0	7,473
Unrealized loss on marketable securities, net of tax	$ 0	0	0	1,973	$ 0
Stock options exercised (in shares)	0				3,250
Stock options exercised	$ 0	(16)	0	0	$ 54
Stock-based compensation	0	529	0	0	0
Cash dividends	0	0	(10,153)	0	0
Cash dividends	$ (0)	(0)	10,153	(0)	$ (0)
Stock options exercised (in shares)	(0)				(3,250)
Repurchase of treasury shares	$ 0	0	0	0	$ 2,880
Repurchase of treasury shares (in shares)					221,099
Repurchase of treasury shares	0	0	0	0	$ (2,880)
Repurchase of treasury shares	$ 0	0	0	0	(2,880)
Balance (in shares) at Mar. 03, 2024	20,965,144
Balance at Mar. 03, 2024	$ 2,096	170,445	(45,374)	(2,271)	$ (11,982)	$ 112,914
Balance (in shares) at Mar. 03, 2024					711,783	711,783
Net earnings	0	0	5,882	0		$ 5,882
Net earnings	0	0	5,882	0		$ 5,882
Unrealized loss on marketable securities, net of tax	$ 0	0	0	1,606	$ 0
Stock options exercised (in shares)	0				(79,487)	(79,487)
Stock options exercised	$ 0	(582)	0	0	$ 1,242
Stock-based compensation	0	402	0	0	0
Cash dividends	0	0	(10,058)	0	0
Cash dividends	$ (0)	(0)	10,058	(0)	$ (0)
Stock options exercised (in shares)	(0)				79,487	79,487
Repurchase of treasury shares	$ (0)	(0)	(0)	(0)	$ 4,252
Repurchase of treasury shares (in shares)	0				330,180
Repurchase of treasury shares	$ 0	0	0	0	$ (4,252)
Repurchase of treasury shares	$ 0	0	0	0	(4,252)
Balance (in shares) at Mar. 02, 2025	20,965,144
Balance at Mar. 02, 2025	$ 2,096	$ 170,265	$ (49,550)	$ (665)	$ (14,992)	$ 107,154
Balance (in shares) at Mar. 02, 2025					962,476	962,476