Intangible Asset Acquired (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Year
Acquired Finite and Infinite Lived Intangible Assets [Line Items]
Acquired finite and infinite-lived intangible assets	$ 793,000
Tradenames and Trademarks [Member]
Acquired Finite and Infinite Lived Intangible Assets [Line Items]
Infinite-lived intangible asset acquired	229,100
In-process research and development
Acquired Finite and Infinite Lived Intangible Assets [Line Items]
Infinite-lived intangible asset acquired	12,300
Customer Relationships
Acquired Finite and Infinite Lived Intangible Assets [Line Items]
Finite-lived intangible asset acquired	435,100
Useful Life (in years)	15
Patents and developed technology
Acquired Finite and Infinite Lived Intangible Assets [Line Items]
Finite-lived intangible asset acquired	$ 116,500
Useful Life (in years)	10