Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-SubTopic 20

-Section 50

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Financial Instruments and Risk Management - Derivative FV (Details) - Designated as cash flow hedging instruments € in Thousands, £ in Thousands, $ in Thousands	May. 31, 2015 CAD	May. 31, 2015 GBP (£)	May. 31, 2015 EUR (€)	May. 31, 2015 USD ($)	Feb. 28, 2015 GBP (£)	Feb. 28, 2015 EUR (€)	Feb. 28, 2015 USD ($)
Prepaid Expenses and Other Current Assets
Fair values of derivative instruments in the consolidated balance sheet
Derivative assets				$ 158			$ 129
Accrued Expenses and Other Current Liability
Fair values of derivative instruments in the consolidated balance sheet
Derivative liabilities				121			240
Foreign currency contracts \| Sell \| Euros
Fair values of derivative instruments in the consolidated balance sheet
Notional Amount \| €			€ 11,000			€ 10,000
Foreign currency contracts \| Sell \| Euros \| Prepaid Expenses and Other Current Assets
Fair values of derivative instruments in the consolidated balance sheet
Derivative assets				15			129
Foreign currency contracts \| Sell \| Pounds
Fair values of derivative instruments in the consolidated balance sheet
Notional Amount \| £		£ 5,700			£ 6,900
Foreign currency contracts \| Sell \| Pounds \| Accrued Expenses and Other Current Liability
Fair values of derivative instruments in the consolidated balance sheet
Derivative liabilities				121			$ 240
Foreign currency contracts \| Sell \| Canadian
Fair values of derivative instruments in the consolidated balance sheet
Notional Amount \| CAD	CAD 13,250
Foreign currency contracts \| Sell \| Canadian \| Prepaid Expenses and Other Current Assets
Fair values of derivative instruments in the consolidated balance sheet
Derivative assets				$ 143