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Fair Value Measurements (Tables) | 9 Months Ended
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Nov. 30, 2014
Fair Value Measurements [Abstract] |
Schedule Of Items Measured At Fair Value On A Recurring Basis | Items Measured at Fair Value on a Recurring Basis
| As of November 30, 2014
(In thousands) | Level 1 | Level 2 | Total
Assets: |  |  |  |  |  |  |  |  |
Money market securities | $ | 202,540 |  | $ | ― |  | $ | 202,540 |
Mutual fund investments |  | 9,221 |  |  | ― |  |  | 9,221 |
Derivative instruments |  | ― |  |  | 191 |  |  | 191 |
Total assets at fair value | $ | 211,761 |  | $ | 191 |  | $ | 211,952 |
Percentage of total assets at fair value |  | 99.9 | % |  | 0.1 | % |  | 100.0 | %
Percentage of total assets |  | 1.7 | % |  | ― | % |  | 1.7 | %
Liabilities: |  |  |  |  |  |  |  |  |
Derivative instruments | $ | ― |  | $ | 3,298 |  | $ | 3,298 |
Total liabilities at fair value | $ | ― |  | $ | 3,298 |  | $ | 3,298 |
Percentage of total liabilities |  | ― | % |  | ― | % |  | ― | %
| As of February 28, 2014
(In thousands) | Level 1 | Level 2 | Total
Assets: |  |  |  |  |  |  |  |  |
Money market securities | $ | 641,622 |  | $ | ― |  | $ | 641,622 |
Mutual fund investments |  | 5,609 |  |  | ― |  |  | 5,609 |
Total assets at fair value | $ | 647,231 |  | $ | ― |  | $ | 647,231 |
Percentage of total assets at fair value |  | 100.0 | % |  | ― | % |  | 100.0 | %
Percentage of total assets |  | 5.5 | % |  | ― | % |  | 5.5 | %
Liabilities: |  |  |  |  |  |  |  |  |
Derivative instruments | $ | ― |  | $ | 1,351 |  | $ | 1,351 |
Total liabilities at fair value | $ | ― |  | $ | 1,351 |  | $ | 1,351 |
Percentage of total liabilities |  | ― | % |  | ― | % |  | ― | %

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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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