FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Details 3) (Designated as cash flow hedging instruments) In Thousands, unless otherwise specified	Feb. 28, 2013 Prepaid Expenses and Other Current Assets USD ($)	Feb. 28, 2013 Accrued Expenses and Other Current Liabilities USD ($)	Feb. 29, 2012 Accrued Expenses and Other Current Liabilities USD ($)	Feb. 28, 2013 Other Liabilities, Noncurrent USD ($)	Feb. 29, 2012 Other Liabilities, Noncurrent USD ($)	Feb. 29, 2012 Foreign currency contracts Canadian CAD	Feb. 29, 2012 Foreign currency contracts Canadian Accrued Expenses and Other Current Liabilities USD ($)	Feb. 28, 2013 Foreign currency contracts Euros EUR (€)	Feb. 28, 2013 Foreign currency contracts Euros Prepaid Expenses and Other Current Assets USD ($)	Feb. 28, 2013 Foreign currency contracts Pounds GBP (£)	Feb. 28, 2013 Foreign currency contracts Pounds Prepaid Expenses and Other Current Assets USD ($)	Feb. 28, 2013 Interest rate swaps USD ($)	Feb. 29, 2012 Interest rate swaps USD ($)	Feb. 28, 2013 Interest rate swaps Accrued Expenses and Other Current Liabilities USD ($)	Feb. 29, 2012 Interest rate swaps Accrued Expenses and Other Current Liabilities USD ($)	Feb. 28, 2013 Interest rate swaps Other Liabilities, Noncurrent USD ($)	Feb. 29, 2012 Interest rate swaps Other Liabilities, Noncurrent USD ($)
Fair values of derivative instruments in the consolidated balance sheet
Notional Amount, sell foreign currency						7,000		€ 7,050		£ 3,000
Notional Amount												75,000	75,000
Derivative assets	496								239		257
Derivative liabilities		$ 3,044	$ 3,694	$ 1,780	$ 5,022		$ 163							$ 3,044	$ 3,531	$ 1,780	$ 5,022