FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS (Tables)

9 Months Ended

Aug. 31, 2013

Fair Value Measurements And Derivative Instruments [Abstract]

Fair Value Hierarchy of Cash Equivalents, Marketable Securities and Foreign Currency Contracts

The fair value hierarchy of our cash equivalents, short-term investments and foreign currency contracts is as follows (in thousands):

			Fair Value Measurements at Reporting Date using
Description	Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant other Observable Inputs (Level 2)
As of August 31, 2013
Assets:
Money market funds	$	329,428	$	329,428	$	—
Corporate bonds and commercial paper	52,851		—		52,851
U.S. Government debt and agency securities	4,504		—		4,504
Term deposits	521		—		521
Mortgage-backed securities	331		—		331
Foreign currency forward contracts	388		—		388
Liabilities:
Foreign currency forward contracts	$	120	$	—	$	120
As of November 30, 2012
Assets:
Money market funds	$	376,480	$	376,480	$	—
Corporate bonds and commercial paper	24,558		—		24,558
U.S. Government debt and agency securities	9,645		—		9,645
Term deposits	595		—		595
Mortgage-backed securities	208		—		208
Foreign currency forward contracts	101		—		101
Liabilities:
Foreign currency forward contracts	$	130	$	—	$	130

Forward Contracts Outstanding

We had the following forward contracts outstanding as of August 31, 2013 (in thousands):

	Notional Value Local  Currency	Notional Value USD		Fair Value Gain (Loss) USD
Forward contracts sold:
Australian dollar	10,400	$	9,254	$	55
Brazilian real	2,300	965		31
British pound	6,320	9,791		(8		)
Euro	27,100	35,813		231
Hong Kong dollar	4,100	529		—
Japanese yen	780,000	7,946		(14		)
Korean won	648,000	583		(9		)
Polish zloty	1,600	495		6
Singapore dollar	3,300	2,588		(1		)
South African rand	4,800	467		15
Swedish krona	8,000	1,207		19
New Taiwan dollar	31,000	1,035		1
Forward contracts bought:
Brazilian real	650	273		(9		)
Hong Kong dollar	8,500	1,096		—
South African rand	14,000	1,361		(47		)
Swedish krona	4,300	649		(9		)
				$	261

	Notional Value Local  Currency	Notional Value EURO	Fair Value Gain (Loss) USD
Forward contracts bought:
United States dollar	1,300	984	7
			$	7

Foreign Currency Forward Contracts Not Designated as Hedging Instruments

	Derivatives not Designated as Hedging Instruments
	August 31, 2013		November 30, 2012
Foreign currency forward contracts, fair value included in:
Other Current Assets	$	388	$	101
Accrued Liabilities	120		130

Gain or (Loss) Recognized in Income on Derivatives

		Amount of Gain or (Loss) Recognized In Income on Derivative
		Three Months Ended August 31,				Nine Months Ended August 31,
Derivatives not Designated as Hedging Instruments	Location	2013		2012		2013		2012
Foreign Currency Contracts	Other income/(exp.)	$	166	$	628	$	80	$	(1,167	)