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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 02, 2025	Mar. 03, 2024	Feb. 26, 2023	Feb. 09, 2023
Cash dividends, per share (in dollars per share)	$ 50	$ 50	$ 1.4
Dividends Payable	$ (0)	$ 0	$ 20,471	$ 20,500
Sales Returns and Allowance as Percentage of Sales	1.00%	1.00%	1.00%
Accounts Receivable, Allowance for Credit Loss, Current	$ 125	$ 128	$ 120
Impairment, Long-Lived Asset, Held-for-Use	$ 0	0	0
Finite-Lived Intangible Asset, Useful Life (Year)	15 years
Goodwill, Impairment Loss	$ 0	0	0
Depreciation	$ 1,851	1,396	$ 1,129
Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period	4 years
Minimum [Member]
Lessee, Operating Lease, Renewal Term (Year)	1 year
Maximum [Member]
Lessee, Operating Lease, Renewal Term (Year)	10 years
Machinery, Equipment, Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life			10 years
Land, Buildings and Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	25 years
Land, Buildings and Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	30 years
S2023FYDividends [Member]
Cash dividends, per share (in dollars per share)			$ 1
Company’s Wholly Owned Foreign Subsidiaries [Member]
Cash, Cash Equivalents, and Short-Term Investments	$ 31,079	$ 29,589