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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.

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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