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Financial Instruments and Risk Management (Details 3) (Designated as cash flow hedging instruments) In Thousands, unless otherwise specified | May 31, 2014 Prepaid Expenses and Other Current Assets USD ($) | May 31, 2014 Accrued Expenses and Other Current Liabilities USD ($) | Feb. 28, 2014 Accrued Expenses and Other Current Liabilities USD ($) | May 31, 2014 Foreign currency contracts Euros Prepaid Expenses and Other Current Assets USD ($) | Feb. 28, 2014 Foreign currency contracts Euros Accrued Expenses and Other Current Liabilities USD ($) | May 31, 2014 Foreign currency contracts Pounds Accrued Expenses and Other Current Liabilities USD ($) | Feb. 28, 2014 Foreign currency contracts Pounds Accrued Expenses and Other Current Liabilities USD ($) | May 31, 2014 Foreign currency contracts Sell Euros EUR (€) | Feb. 28, 2014 Foreign currency contracts Sell Euros EUR (€) | May 31, 2014 Foreign currency contracts Sell Pounds GBP (£) | Feb. 28, 2014 Foreign currency contracts Sell Pounds GBP (£) | May 31, 2014 Interest rate swaps USD ($) | Feb. 28, 2014 Interest rate swaps USD ($) | May 31, 2014 Interest rate swaps Accrued Expenses and Other Current Liabilities USD ($) | Feb. 28, 2014 Interest rate swaps Accrued Expenses and Other Current Liabilities USD ($)
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Fair values of derivative instruments in the consolidated balance sheet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount |  |  |  |  |  |  |  | € 3,350 | € 2,850 | £ 4,500 | £ 4,250 | $ 75,000 | $ 75,000 |  |
Derivative assets | 45 |  |  | 45 |  |  |  |  |  |  |  |  |  |  |
Derivative liabilities |  | $ 471 | $ 1,596 |  | $ 89 | $ 170 | $ 280 |  |  |  |  |  |  | $ 301 | $ 1,227

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