Intangible Assets Schedule of Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2014

Schedule of Intangible Assets [Abstract]

Schedule of Intangible Assets by Major Class [Table Text Block]

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

	September 30, 2014							December 31, 2013
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	414,289	$	(361,336	)	$	52,953	$	428,890	$	(356,017	)	$	72,873
Customer contracts and relationships	274,073		(176,036		)	98,037		291,185		(173,952		)	117,233
Trademarks and trade names	70,046		(66,146		)	3,900		73,117		(67,449		)	5,668
Other	11,584		(11,042		)	542		11,089		(11,023		)	66
Total intangible assets	$	769,992	$	(614,560	)	$	155,432	$	804,281	$	(608,441	)	$	195,840

Summary of Intangible Asset Account Activity [Table Text Block]

A summary of intangible asset activity is as follows:

	Nine Months Ended September 30,
	2014			2013
	(in thousands)
Beginning balance, intangible assets, gross	$	804,281		$	802,540
Intangible assets acquired	1,453			(1,500		)
Effect of change in exchange rates	(35,742		)	(3,000		)
Ending balance, intangible assets, gross	$	769,992		$	798,040

Schedule of Intangible Assets, Future Amortization Expense [Table Text Block]

Estimated future annual amortization expense is as follows:

Years ending December 31,	Estimated Annual Amortization
	(in thousands)
2014 (amount remaining at September 30, 2014)	$	10,701
2015	34,505
2016	27,234
2017	20,169
2018	14,102
Beyond 2018	48,721
Total intangible assets subject to amortization	$	155,432