Financial Instruments (Details 2) - Municipal bonds - USD ($) $ in Thousands	Feb. 25, 2023	Feb. 26, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized Cost, Due within one year	$ 2,205
Amortized Cost, Due after one year through five years	8,442
Amortized Cost	10,647	$ 11,862
Estimated Market Value, Due within one year	2,173
Estimated Market Value, Due after one year through five years	7,772
Estimated Fair Value	$ 9,945	$ 11,784

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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