Intangible Assets Schedule of Intangilbe Assets (Tables)

6 Months Ended

Jun. 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:

	June 30, 2012							December 31, 2011
	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
	(in thousands)
Core-developed technology	$	396,671	$	(313,062	)	$	83,609	$	387,606	$	(305,285	)	$	82,321
Customer contracts and relationships	280,894		(138,343		)	142,551		278,581		(131,418		)	147,163
Trademarks and trade names	70,701		(62,339		)	8,362		71,854		(62,206		)	9,648
Other	11,093		(10,998		)	95		11,153		(10,785		)	368
Total intangible assets subject to amortization	759,359		(524,742		)	234,617		749,194		(509,694		)	239,500
In-process research and development	19,400					19,400		—					—
Total intangible assets	$	778,759	$	(524,742	)	$	254,017	$	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:

	Six Months Ended June 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	—			(8,369		)
Effect of change in exchange rates	(13,835		)	40,968
Ending balance, intangible assets, gross	$	778,759		$	802,048

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 June 30, 2012)	$	23,458
2013	40,937
2014	36,799
2015	30,024
2016	23,723
Beyond 2016	79,676
Total intangible assets subject to amortization, net	$	234,617