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Goodwill and Other Intangible Assets Details 1 (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Finite Life and Indefinite Life Intangible Assets |  |
Intangible Assets, Net (Excluding Goodwill) | $ 217,308 | $ 226,718
Intangible Assets Excluding Goodwill Gross | 315,510 | 312,408
Intangible Assets Accumulated Amortization | (98,202) | (85,690)
Customer Relationships [Member] |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 197,942 | 198,527
Finite-Lived Intangible Assets, Accumulated Amortization | (49,887) | (41,794)
Intangible Assets, Net (Excluding Goodwill) | 148,055 | 156,733
Proven technology and patents |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 73,880 | 70,311
Finite-Lived Intangible Assets, Accumulated Amortization | (42,750) | (38,890)
Intangible Assets, Net (Excluding Goodwill) | 31,130 | 31,421
Tradename (Finite Life) |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 4,504 | 4,518
Finite-Lived Intangible Assets, Accumulated Amortization | (2,874) | (2,807)
Intangible Assets, Net (Excluding Goodwill) | 1,630 | 1,711
Tradename (Indefinite Life) |  |
Finite Life and Indefinite Life Intangible Assets |  |
Intangible Assets, Net (Excluding Goodwill) | 35,500 | 35,562
Indefinite-lived Intangible Assets (Excluding Goodwill) | 35,500 | 35,562
Other Intangible Assets [Member] |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 3,684 | 3,490
Finite-Lived Intangible Assets, Accumulated Amortization | (2,691) | (2,199)
Intangible Assets, Net (Excluding Goodwill) | $ 993 | $ 1,291

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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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