Intangible Assets Schedule of other intangible assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 58,371	$ 50,154
Finite-Lived Intangible Assets, Translation Adjustments	250
Accumulated Amortization	(12,412)	(6,716)
Net Carrying Amount	46,209	39,416
Intangible Assets Excluding Goodwill Gross		46,132
Non-amortizing intangibles		4,022
Intangible Assets, Net	46,209	43,438
Technology-based [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	44,668
Finite-Lived Intangible Assets, Translation Adjustments	83
Accumulated Amortization	(10,775)	(5,841)
Net Carrying Amount	33,976	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	13,703
Finite-Lived Intangible Assets, Translation Adjustments	167
Accumulated Amortization	(1,637)	(875)
Net Carrying Amount	12,233	7,335
Weighted-Average Useful Life, In Years	9 years	8 years
Intangible Assets Excluding Goodwill Gross		$ 8,210