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Fair Value Measurements (Tables) | 12 Months Ended
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Feb. 28, 2015
Fair Value Disclosures [Abstract] |
Financial assets and liabilities measured at fair value | Financial assets and liabilities measured at fair value as of February 28, 2015 and March 1, 2014, are summarized below:
(In thousands) | Quoted Prices in Active Markets (Level 1) |  | Other Observable Inputs (Level 2) |  | Total Fair Value
February 28, 2015 |  |  |  |  |
Cash equivalents |  |  |  |  |
Money market funds | $ | 34,386 |  |  | $ | — |  |  | $ | 34,386 |
Total cash equivalents | 34,386 |  |  | — |  |  | 34,386 |
Available for sale securities |  |  |  |  |
Municipal bonds | — |  |  | 10,982 |  |  | 10,982 |
Total available for sale securities | — |  |  | 10,982 |  |  | 10,982 |
Mutual fund investments |  |  |  |  |
Mutual funds | 305 |  |  | — |  |  | 305 |
Total mutual fund investments | 305 |  |  | — |  |  | 305 |
Total assets at fair value | $ | 34,691 |  |  | $ | 10,982 |  |  | $ | 45,673 |
(In thousands) | Quoted Prices in Active Markets (Level 1) |  | Other Observable Inputs (Level 2) |  | Total Fair Value
March 1, 2014 |  |  |  |  |
Cash equivalents |  |  |  |  |
Money market funds | $ | 12,788 |  |  | $ | — |  |  | $ | 12,788 |
Total cash equivalents | 12,788 |  |  | — |  |  | 12,788 |
Available for sale securities |  |  |  |  |
Municipal bonds | — |  |  | 11,477 |  |  | 11,477 |
Total available for sale securities | — |  |  | 11,477 |  |  | 11,477 |
Restricted investments |  |  |  |  |
Money market funds | 2,540 |  |  | — |  |  | 2,540 |
Total restricted investments | 2,540 |  |  | — |  |  | 2,540 |
Mutual fund investments |  |  |  |  |
Mutual funds | 409 |  |  | — |  |  | 409 |
Total mutual fund investments | 409 |  |  | — |  |  | 409 |
Foreign currency instruments |  |  |  |  |
Foreign currency instruments | — |  |  | 98 |  |  | 98 |
Total foreign currency instruments | — |  |  | 98 |  |  | 98 |
Total assets at fair value | $ | 15,737 |  |  | $ | 11,575 |  |  | $ | 27,312 |

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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=36462937&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 (a,b,bb) -URI http://asc.fasb.org/extlink&oid=36462937&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 2C -URI http://asc.fasb.org/extlink&oid=36462937&loc=SL7498348-110258 Reference 4: 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=36462937&loc=d3e19190-110258 + Details
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