Financial Instruments and Risk Management (Details 3) (Designated as cash flow hedging instruments) In Thousands, unless otherwise specified	Aug. 31, 2014 Prepaid Expenses and Other Current Assets USD ($)	Aug. 31, 2014 Accrued Expenses and Other Current Liabilities USD ($)	Feb. 28, 2014 Accrued Expenses and Other Current Liabilities USD ($)	Aug. 31, 2014 Foreign currency contracts Euros Prepaid Expenses and Other Current Assets USD ($)	Feb. 28, 2014 Foreign currency contracts Euros Accrued Expenses and Other Current Liabilities USD ($)	Aug. 31, 2014 Foreign currency contracts Pounds Accrued Expenses and Other Current Liabilities USD ($)	Feb. 28, 2014 Foreign currency contracts Pounds Accrued Expenses and Other Current Liabilities USD ($)	Aug. 31, 2014 Foreign currency contracts Sell Euros EUR (€)	Feb. 28, 2014 Foreign currency contracts Sell Euros EUR (€)	Aug. 31, 2014 Foreign currency contracts Sell Pounds GBP (£)	Feb. 28, 2014 Foreign currency contracts Sell Pounds GBP (£)	Feb. 28, 2014 Interest rate swaps USD ($)	Feb. 28, 2014 Interest rate swaps Accrued Expenses and Other Current Liabilities USD ($)
Fair values of derivative instruments in the consolidated balance sheet
Notional Amount								€ 1,250	€ 2,850	£ 3,000	£ 4,250	$ 75,000
Derivative assets	85			85
Derivative liabilities		$ 24	$ 1,596		$ 89	$ 24	$ 280						$ 1,227