GOODWILL AND ACQUIRED INTANGIBLE ASSETS (Tables)

3 Months Ended

Feb. 28, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Change in Carrying Value of Goodwill

The change in the carrying value of goodwill for the three months ended February 28, 2013 is as follows (in thousands):

Balance as of November 30, 2012	$	532,290
Post-acquisition goodwill adjustment for the LogLogic acquisition	(2,280		)
Foreign currency translation	(8,015		)
Balance as of February 28, 2013	$	521,995

Carrying Values of Amortized Acquired Intangible Assets

The carrying values of our amortized acquired intangible assets as of February 28, 2013 and November 30, 2012 are as follows (in thousands):

	February 28, 2013							November 30, 2012
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed technologies	$	181,374	$	(122,805	)	$	58,569	$	182,152	$	(118,992	)	$	63,160
Customer base	59,346		(44,721		)	14,625		59,525		(43,328		)	16,197
Patents/core technologies	27,717		(24,003		)	3,714		28,295		(24,198		)	4,097
Trademarks	12,570		(8,343		)	4,227		12,777		(8,251		)	4,526
Non-compete agreements	580		(580		)	—		580		(580		)	—
Maintenance agreements	83,346		(50,373		)	32,973		83,762		(48,481		)	35,281
Total intangible assets	$	364,933	$	(250,825	)	$	114,108	$	367,091	$	(243,830	)	$	123,261