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Goodwill and Other Intangible Assets Details 1 - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Finite Life and Indefinite Life Intangible Assets |  |
Intangible Assets, Net (Excluding Goodwill) | $ 196,785 | $ 206,242
Intangible Assets Excluding Goodwill Gross | 325,463 | 318,464
Intangible Assets Accumulated Amortization | (128,678) | (112,222)
Customer Relationships [Member] |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 201,445 | 197,764
Finite-Lived Intangible Assets, Accumulated Amortization | (68,319) | (58,851)
Intangible Assets, Net (Excluding Goodwill) | 133,126 | 138,913
Proven technology and patents |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 78,312 | 75,170
Finite-Lived Intangible Assets, Accumulated Amortization | (52,138) | (46,532)
Intangible Assets, Net (Excluding Goodwill) | 26,174 | 28,638
Tradename (Finite Life) |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 4,896 | 4,594
Finite-Lived Intangible Assets, Accumulated Amortization | (3,444) | (3,124)
Intangible Assets, Net (Excluding Goodwill) | 1,452 | 1,470
Tradename (Indefinite Life) |  |
Finite Life and Indefinite Life Intangible Assets |  |
Intangible Assets, Net (Excluding Goodwill) | 35,595 | 35,474
Indefinite-lived Intangible Assets (Excluding Goodwill) | 35,595 | 35,474
Other Intangible Assets [Member] |  |
Finite Life and Indefinite Life Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 5,215 | 5,462
Finite-Lived Intangible Assets, Accumulated Amortization | (4,777) | (3,715)
Intangible Assets, Net (Excluding Goodwill) | $ 438 | $ 1,747

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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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