Intangible Assets and Goodwill (Tables)

6 Months Ended

May 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Intangible Assets

Intangible assets are comprised of the following significant classes (in thousands):

	May 31, 2013							November 30, 2012
	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Purchased technology	$	44,652	$	(35,509	)	$	9,143	$	42,520	$	(40,066	)	$	2,454
Customer-related and other	19,529		(17,242		)	2,287		26,477		(23,812		)	2,665
Total	$	64,181	$	(52,751	)	$	11,430	$	68,997	$	(63,878	)	$	5,119

Schedule Of Future Amortization Expense From Intangible Assets Held

Future amortization expense for intangible assets as of May 31, 2013, is as follows (in thousands):

Remainder of 2013	$	1,480
2014	2,638
2015	2,409
2016	1,906
2017	1,906
Thereafter	1,091
Total	$	11,430

Schedule of Goodwill

Changes in the carrying amount of goodwill for the six months ended May 31, 2013, are as follows (in thousands):

Balance, November 30, 2012	$	226,110
Additions	4,798
Goodwill transfered to assets held for sale	(6,377		)
Translation adjustments	(91		)
Balance, May 31, 2013	$	224,440