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Intangible Assets and Goodwill (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2010
Components of intangible assets
Gross Carrying Amount	$ 224,765		$ 232,327
Accumulated Amortization	(71,592)		(50,372)
Finite-lived intangible assets	153,173		181,955
Amortization expense for intangible assets	30,345		20,191	5,066
Minimum
Components of intangible assets
Useful Life (in years)	1 year		1 year
Maximum
Components of intangible assets
Useful Life (in years)	10 years		10 years
Existing technology
Components of intangible assets
Gross Carrying Amount	191,815	[1]	198,377
Accumulated Amortization	(57,240)	[1]	(43,066)
Finite-lived intangible assets	134,575	[1]	155,311
Existing technology | Minimum
Components of intangible assets
Useful Life (in years)	3 years		3 years
Existing technology | Maximum
Components of intangible assets
Useful Life (in years)	10 years		10 years
Customer contracts and contractual relationships
Components of intangible assets
Gross Carrying Amount	32,650		33,550
Accumulated Amortization	(14,194)		(7,148)
Finite-lived intangible assets	18,456		26,402
Customer contracts and contractual relationships | Minimum
Components of intangible assets
Useful Life (in years)	1 year		1 year
Customer contracts and contractual relationships | Maximum
Components of intangible assets
Useful Life (in years)	10 years		10 years
Non-competition agreements
Components of intangible assets
Gross Carrying Amount	300		400
Accumulated Amortization	(158)		(158)
Finite-lived intangible assets	$ 142		$ 242
Useful Life (in years)	3 years		3 years
[1] The Company recorded a non-cash intangible impairment charge of $15.4 million related to the LDT group as discussedabove which has been netted from the gross carrying amount and accumulated amortization for existing technology.

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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