Intangible Assets Schedule of other intangible assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 50,154	$ 50,154
Accumulated Amortization	(10,855)	(6,716)
Net Carrying Amount	39,299	39,416
Intangible Assets Excluding Goodwill Gross		46,132
Non-amortizing intangibles		4,022
Intangible Assets, Net	39,299	43,438
Technology-based [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	41,944
Accumulated Amortization	(9,476)	(5,841)
Net Carrying Amount	32,468	32,081
Weighted-Average Useful Life, In Years	7 years	7 years
Intangible Assets Excluding Goodwill Gross		37,922
Trademarks and other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,210
Accumulated Amortization	(1,379)	(875)
Net Carrying Amount	6,831	7,335
Weighted-Average Useful Life, In Years	8 years	8 years
Intangible Assets Excluding Goodwill Gross		$ 8,210