FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS - Foreign Currency Forward Contract Not Designated as Hedging Instruments (Details) (Not Designated as Hedging Instrument, USD $) In Thousands, unless otherwise specified	May 31, 2013	Nov. 30, 2012
Other Current Assets
Derivatives, Fair Value [Line Items]
Derivatives not designated as hedging instruments, assets	$ 2,508	$ 101
Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivatives not designated as hedging instruments, liabilities	$ 175	$ 130