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Financial Instruments and Risk Management - Derivative tax effect (Details) - Cash flow hedges - USD ($) $ in Thousands | 3 Months Ended
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May. 31, 2015 | May. 31, 2014
Pre-tax effect of derivative instruments |  |
Gain/ (Loss) Recognized in OCI (effective portion) | $ 267 | $ 90
Gain/ (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income | 119 | (1,080)
Foreign currency contracts |  |
Pre-tax effect of derivative instruments |  |
Losses from foreign currency contracts expected to be reclassified into income over the next twelve months | $ (40) |
Net gains currently reported in accumulated other comprehensive income, to be reclassified into income, period of time to transfer | 12 months |
Foreign currency contracts | SG&A |  |
Pre-tax effect of derivative instruments |  |
Gain/ (Loss) Recognized in OCI (effective portion) | $ 267 | 78
Gain/ (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income | $ 119 | (166)
Interest rate swaps | Interest expenses |  |
Pre-tax effect of derivative instruments |  |
Gain/ (Loss) Recognized in OCI (effective portion) |  | 12
Gain/ (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income |  | $ (914)

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959 + Details
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