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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

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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