Financial Instruments (Details) - USD ($) $ in Thousands	Nov. 26, 2022	Feb. 26, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 10,835
Estimated Fair Value	10,160
Municipal and Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,835	$ 11,862
Gross Unrealized Gains	0	45
Gross Unrealized Losses	675	123
Estimated Fair Value	$ 10,160	$ 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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Reference 2: 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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