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Goodwill and Other Intangible Assets Details 1 (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Finite Life and Indefinite Life Intangible Assets |  |
Intangible Assets, Net (Excluding Goodwill) | $ 226,718 | $ 167,055
Intangible Assets Excluding Goodwill Gross | 312,408 | 241,185
Intangible Assets Accumulated Amortization | (85,690) | (74,130)
Customer Relationships [Member] |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 198,527 | 147,466
Finite-Lived Intangible Assets, Accumulated Amortization | (41,794) | (34,672)
Intangible Assets, Net (Excluding Goodwill) | 156,733 | 112,794
Proven technology and patents |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 70,311 | 58,394
Finite-Lived Intangible Assets, Accumulated Amortization | (38,890) | (35,128)
Intangible Assets, Net (Excluding Goodwill) | 31,421 | 23,266
Tradename (Finite Life) |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 4,518 | 4,182
Finite-Lived Intangible Assets, Accumulated Amortization | (2,807) | (2,514)
Intangible Assets, Net (Excluding Goodwill) | 1,711 | 1,668
Tradename (Indefinite Life) |  |
Finite Life and Indefinite Life Intangible Assets |  |
Intangible Assets, Net (Excluding Goodwill) | 35,562 | 28,272
Indefinite-Lived Intangible Assets (Excluding Goodwill) | 35,562 | 28,272
Other Intangible Assets [Member] |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 3,490 | 2,871
Finite-Lived Intangible Assets, Accumulated Amortization | (2,199) | (1,816)
Intangible Assets, Net (Excluding Goodwill) | $ 1,291 | $ 1,055

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- Definition Sum of the gross carrying amount before accumulated amortization of finite-lived intangibles and the carrying amounts (original costs for current and prior period additions adjusted for impairment if any) of indefinite-lived intangibles as of the balance sheet date. + References No definition available. + Details
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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=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + 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 (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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