Derivative Instruments (Tables)

3 Months Ended

Feb. 28, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Outstanding Foreign Currency Forward Contracts

The table below details outstanding foreign currency forward contracts where the notional amount is determined using contract exchange rates (in thousands):

	February 28, 2013					November 30, 2012
	Notional Value		Fair Value			Notional Value		Fair Value
Forward contracts to sell U.S. dollars	$	8,255	$	(8	)	$	6,453	$	4
Forward contracts to purchase U.S. dollars	20,104		42			31,465		(190		)
Total	$	28,359	$	34		$	37,918	$	(186	)