Intangible Assets Schedule of Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Intangible Assets [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

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

	December 31, 2012							December 31, 2011
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	407,024	$	(332,763	)	$	74,261	$	387,606	$	(305,285	)	$	82,321
Customer contracts and relationships	292,252		(154,890		)	137,362		278,581		(131,418		)	147,163
Trademarks and trade names	72,770		(65,090		)	7,680		71,854		(62,206		)	9,648
Other	11,094		(11,026		)	68		11,153		(10,785		)	368
Total intangible assets subject to amortization	783,140		(563,769		)	219,371		749,194		(509,694		)	239,500
In-process research and development	19,400					19,400		—					—
Total intangible assets	$	802,540	$	(563,769	)	$	238,771	$	749,194	$	(509,694	)	$	239,500

SummaryOfIntangibleAssetAccountActivity [Table Text Block]

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

	Year Ended December 31,
	2012			2011
	(in thousands)
Beginning balance, intangible assets, gross	$	749,194		$	759,152
Intangible assets acquired	43,400			12,797
Assets transferred to held for sale	—			(4,964		)
Assets no longer in use written-off	(100		)	(8,450		)
Effect of change in exchange rates	10,046			(9,341		)
Ending balance, intangible assets, gross	$	802,540		$	749,194

Schedule of Finite-Lived 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)
2013	$	42,526
2014	38,099
2015	31,122
2016	24,615
2017	18,206
Beyond 2017	64,803
Total intangible assets subject to amortization	$	219,371