Goodwill and Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	$ 101,177	$ 55,127
Accumulated Amortization		28,018	21,551
Intangible Assets, Gross (Excluding Goodwill)	[1]	105,595	59,891
Net Carrying Amount		73,159	33,576
Indefinite lived intangible assets	[1]	4,418	4,764
Intangible Assets, Net (Excluding Goodwill)		77,577	38,340
Trademarks and patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	2,537	1,046
Accumulated Amortization		615	364
Net Carrying Amount		1,922	682
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	47,423	33,942
Accumulated Amortization		18,731	15,958
Net Carrying Amount		28,692	17,984
Covenant not-to-compete [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	935	1,016
Accumulated Amortization		891	823
Net Carrying Amount		44	193
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	50,282	19,123
Accumulated Amortization		7,781	4,406
Net Carrying Amount		$ 42,501	$ 14,717

[1] Gross carrying amounts and accumulated amortization may differ from prior periods due to foreign exchange rate fluctuations.