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Fair Value Measurements (Tables) | 3 Months Ended
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Jun. 02, 2018
Fair Value Disclosures [Abstract] |
Financial assets and liabilities measured at fair value |
In thousands | Quoted Prices in Active Markets (Level 1) |  | Other Observable Inputs (Level 2) |  | Total Fair Value
June 2, 2018 |  |  |  |  |
Cash equivalents |  |  |  |  |
Money market funds | $ | 2,179 |  |  | $ | — |  |  | $ | 2,179 |
Short-term securities |  |  |  |  |
Mutual funds | 2,273 |  |  | — |  |  | 2,273 |
Municipal and corporate bonds | — |  |  | 121 |  |  | 121 |
Total short-term securities | 2,273 |  |  | 121 |  |  | 2,394 |
Long-term securities |  |  |  |  |
Municipal and corporate bonds | — |  |  | 12,738 |  |  | 12,738 |
Total assets at fair value | $ | 4,452 |  |  | $ | 12,859 |  |  | $ | 17,311 |
March 3, 2018 |  |  |  |  |
Cash equivalents |  |  |  |  |
Money market funds | $ | 2,901 |  |  | $ | — |  |  | $ | 2,901 |
Commercial paper | — |  |  | 400 |  |  | 400 |
Total cash equivalents | 2,901 |  |  | 400 |  |  | 3,301 |
Short-term securities |  |  |  |  |
Municipal and corporate bonds | — |  |  | 423 |  |  | 423 |
Long-term securities |  |  |  |  |
Municipal and corporate bonds | — |  |  | 8,630 |  |  | 8,630 |
Total assets at fair value | $ | 2,901 |  |  | $ | 9,453 |  |  | $ | 12,354 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL7498348-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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