Financial Instruments (Details) - USD ($) $ in Thousands	Aug. 26, 2023	Feb. 25, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 10,778
Estimated Fair Value	10,192
Municipal and Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,778	$ 10,647
Gross Unrealized Gains	2	0
Gross Unrealized Losses	588	702
Estimated Fair Value	$ 10,192	$ 9,945