Financial Instruments (Details) - USD ($) $ in Thousands	May 27, 2023	Feb. 25, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 10,225
Estimated Fair Value	9,675
Municipal and Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,225	$ 10,647
Gross Unrealized Gains	0	0
Gross Unrealized Losses	550	702
Estimated Fair Value	$ 9,675	$ 9,945