Intangible Assets (Text Block)

3 Months Ended

Mar. 31, 2016

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets [Text Block]

Intangible Assets

The gross carrying amount and accumulated amortization of our intangible assets, other than goodwill, were as follows:

	March 31, 2016							December 31, 2015
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	393,957	$	(365,728	)	$	28,229	$	388,981	$	(358,092	)	$	30,889
Customer contracts and relationships	239,560		(172,592		)	66,968		238,379		(168,885		)	69,494
Trademarks and trade names	64,385		(63,243		)	1,142		64,069		(62,571		)	1,498
Other	11,079		(11,032		)	47		11,078		(11,027		)	51
Total intangible assets	$	708,981	$	(612,595	)	$	96,386	$	702,507	$	(600,575	)	$	101,932

A summary of intangible asset activity is as follows:

	Three Months Ended March 31,
	2016		2015
	(in thousands)
Beginning balance, intangible assets, gross	$	702,507	$	748,148
Intangible assets impaired	—		(497		)
Effect of change in exchange rates	6,474		(42,038		)
Ending balance, intangible assets, gross	$	708,981	$	705,613

Intangible assets impaired during the three months ended March 31, 2015 includes purchased software licenses to be sold to others. This amount was expensed as part of cost of revenues in the Consolidated Statement of Operations.

Estimated future annual amortization expense is as follows:

Year Ending December 31,	Estimated Annual Amortization
	(in thousands)
2016 (amount remaining at March 31, 2016)	$	19,031
2017	18,841
2018	13,132
2019	10,325
2020	8,423
Beyond 2020	26,634
Total intangible assets subject to amortization	$	96,386