FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS (Tables)

3 Months Ended

Feb. 28, 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 February 28, 2013
Assets:
Money market funds	$	388,320	$	388,320	$	—
Corporate bonds and commercial paper	24,442		—		24,442
U.S. Government debt and agency securities	9,567		—		9,567
Term deposits	587		—		587
Mortgage-backed securities	229		—		229
Foreign currency forward contracts	4,254		—		4,254
Liabilities:
Foreign currency forward contracts	$	879	$	—	$	879
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 February 28, 2013 (in thousands):

	Notional Value Local  Currency	Notional Value USD		Fair Value Gain (Loss) USD
Forward contracts sold:
Australian dollar	8,400	$	8,645	$	86
Brazilian real	3,000	1,505		(9		)
British pound	5,800	9,017		305
Canadian dollar	6,500	6,484		165
Euro	73,600	99,441		3,628
Japanese yen	223,000	2,391		7
Singapore dollar	1,800	1,454		3
South African rand	17,000	1,897		22
New Taiwan dollar	31,000	1,047		1
Forward contracts bought:
British pound	12,400	19,407		(780		)
Hong Kong dollar	12,000	1,548		—
Indian rupee	120,000	2,250		(50		)
Swiss franc	1,000	1,100		(40		)
				$	3,338

	Notional Value Local  Currency	Notional Value EURO		Fair Value Gain (Loss) USD
Forward contracts bought:
United States dollar	1,000	€	740	$	37

Foreign Currency Forward Contracts Not Designated as Hedging Instruments

	Derivatives not Designated as Hedging Instruments
	February 28, 2013		November 30, 2012
Foreign currency forward contracts, fair value included in:
Other Current Assets	$	4,254	$	101
Accrued Liabilities	879		130

Gain or (Loss) Recognized in Income on Derivatives

		Amount of Gain or (Loss) Recognized In Income on Derivative
		Three Months Ended February 28,
Derivatives not Designated as Hedging Instruments	Location	2013		2012
Foreign Currency Contracts	Other income/(exp.)	$	2,823	$	(1,358	)