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Financial Instruments (Tables) | 3 Months Ended
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Jun. 01, 2019
Marketable Securities [Abstract] |
Amortized cost, gross unrealized gains and losses, and estimated fair values of investments available for sale | We hold the following available-for-sale marketable securities, made up of municipal and corporate bonds:
In thousands |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
June 1, 2019 |  | $ | 12,121 |  |  | $ | 181 |  |  | $ | (2 | ) |  | $ | 12,300 |
March 2, 2019 |  | 12,481 |  |  | 59 |  |  | (108 | ) |  | 12,432 |
Schedule of amortized cost and estimated fair values of investments by contractual maturity | The amortized cost and estimated fair values of these bonds at June 1, 2019, by contractual maturity, are shown below. Expected maturities may differ from contractual maturities, as borrowers may have the right to call or prepay obligations with or without penalty.
In thousands |  | Amortized Cost |  | Estimated Fair Value
Due within one year |  | $ | 600 |  |  | $ | 601 |
Due after one year through five years |  | 9,293 |  |  | 9,429 |
Due after five years through 10 years |  | 1,822 |  |  | 1,863 |
Due after 10 years through 15 years |  | — |  |  | — |
Due beyond 15 years |  | 406 |  |  | 407 |
Total |  | $ | 12,121 |  |  | $ | 12,300 |
Fair value measurements |
In thousands |  | Quoted Prices in Active Markets (Level 1) |  | Other Observable Inputs (Level 2) |  | Total Fair Value
June 1, 2019 |  |  |  |  |  |
Cash equivalents |  |  |  |  |  |
Money market funds |  | $ | 2,611 |  |  | $ | — |  |  | $ | 2,611 |
Commercial paper |  | — |  |  | 4,500 |  |  | 4,500 |
Total cash equivalents |  | 2,611 |  |  | 4,500 |  |  | 7,111 |
Short-term securities |  |  |  |  |  |
Municipal and corporate bonds |  | — |  |  | 601 |  |  | 601 |
Long-term securities |  |  |  |  |  |
Municipal and corporate bonds |  | — |  |  | 11,699 |  |  | 11,699 |
Total assets at fair value |  | $ | 2,611 |  |  | $ | 16,800 |  |  | $ | 19,411 |
March 2, 2019 |  |  |  |  |  |
Cash equivalents |  |  |  |  |  |
Money market funds |  | $ | 2,015 |  |  | $ | — |  |  | $ | 2,015 |
Commercial paper |  | — |  |  | 300 |  |  | 300 |
Total cash equivalents |  | 2,015 |  |  | 300 |  |  | 2,315 |
Short-term securities |  |  |  |  |  |
Municipal and corporate bonds |  | — |  |  | 402 |  |  | 402 |
Long-term securities |  |  |  |  |  |
Municipal and corporate bonds |  | — |  |  | 12,030 |  |  | 12,030 |
Total assets at fair value |  | $ | 2,015 |  |  | $ | 12,732 |  |  | $ | 14,747 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=99377789&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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