Intangible Assets Schedule of Intangilbe Assets (Tables)

9 Months Ended

Sep. 30, 2012

Finite-Lived 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, are as follows:

	September 30, 2012							December 31, 2011
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	402,897	$	(323,629	)	$	79,268	$	387,606	$	(305,285	)	$	82,321
Customer contracts and relationships	288,429		(147,614		)	140,815		278,581		(131,418		)	147,163
Trademarks and trade names	71,992		(63,922		)	8,070		71,854		(62,206		)	9,648
Other	11,096		(11,013		)	83		11,153		(10,785		)	368
Total intangible assets subject to amortization	774,414		(546,178		)	228,236		749,194		(509,694		)	239,500
In-process research and development	19,400					19,400		—					—
Total intangible assets	$	793,814	$	(546,178	)	$	247,636	$	749,194	$	(509,694	)	$	239,500

Summary of Intangible Asset Account Activity [Table Text Block]

A summary of the intangible asset account activity is as follows:

	Nine Months Ended September 30,
	2012		2011
	(in thousands)
Beginning balance, intangible assets, gross	$	749,194	$	759,152
Intangible assets acquired	43,400		10,297
Assets no longer in use written-off	—		(8,450		)
Effect of change in exchange rates	1,220		12,263
Ending balance, intangible assets, gross	$	793,814	$	773,262

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)
2012 (amount remaining at September 30, 2012)	$	12,015
2013	41,917
2014	37,595
2015	30,700
2016	24,275
Beyond 2016	81,734
Total intangible assets subject to amortization, net	$	228,236