Financial Instruments (Details) - USD ($) $ in Thousands	May 28, 2022	Feb. 26, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 11,731
Estimated Fair Value	11,303
Municipal and Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,731	$ 11,862
Gross Unrealized Gains	7	45
Gross Unrealized Losses	435	123
Estimated Fair Value	$ 11,303	$ 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).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount 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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Amount of cumulative unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount of cumulative unrecognized loss on investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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