Intangible Assets and Goodwill (Tables)

6 Months Ended

May 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Intangible Assets

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

	May 31, 2014							November 30, 2013
	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Purchased technology	$	52,079	$	(37,733	)	$	14,346	$	44,793	$	(36,712	)	$	8,081
Customer-related and other	19,733		(17,989		)	1,744		19,543		(17,674		)	1,869
Total	$	71,812	$	(55,722	)	$	16,090	$	64,336	$	(54,386	)	$	9,950

Schedule Of Future Amortization Expense From Intangible Assets Held

Future amortization expense for intangible assets as of May 31, 2014, is as follows (in thousands):

Remainder of 2014	$	1,851
2015	3,482
2016	2,979
2017	2,979
2018	2,162
Thereafter	2,637
Total	$	16,090

Schedule of Goodwill

Changes in the carrying amount of goodwill in the six months ended May 31, 2014, are as follows (in thousands):

Balance, November 30, 2013	$	224,286
Additions	6,433
Translation adjustments	(38		)
Balance, May 31, 2014	$	230,681