Intangible Assets and Goodwill (Tables)

9 Months Ended

Aug. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Intangible Assets

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

	August 31, 2014							November 30, 2013
	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Purchased technology	$	51,979	$	(38,468	)	$	13,511	$	44,793	$	(36,712	)	$	8,081
Customer-related and other	19,724		(18,096		)	1,628		19,543		(17,674		)	1,869
Total	$	71,703	$	(56,564	)	$	15,139	$	64,336	$	(54,386	)	$	9,950

Schedule Of Future Amortization Expense From Intangible Assets Held

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

Remainder of 2014	$	898
2015	3,482
2016	2,979
2017	2,979
2018	2,162
Thereafter	2,639
Total	$	15,139

Schedule of Goodwill

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

Balance, November 30, 2013	$	224,286
Additions	6,433
Translation adjustments	(42		)
Balance, August 31, 2014	$	230,677