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Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 241,758 | $ 182,238
Accumulated Amortization | (72,641) | (66,986)
Intangible Assets, Net (Excluding Goodwill) | 169,117 | 115,252
Tradename [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount, Tradename (indefinite life) | 28,338 | 24,814
Intangible Assets, Net (Excluding Goodwill) | 28,338 | 24,814
Customer Relationships [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 146,592 | 98,175
Accumulated Amortization | (33,615) | (30,836)
Intangible Assets, Net (Excluding Goodwill) | 112,977 | 67,339
Proven technology and patents [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 59,756 | 52,938
Accumulated Amortization | (34,681) | (32,444)
Intangible Assets, Net (Excluding Goodwill) | 25,075 | 20,494
Tradename [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 4,301 | 4,200
Accumulated Amortization | (2,507) | (2,158)
Intangible Assets, Net (Excluding Goodwill) | 1,794 | 2,042
Other Intangible Assets [Member] |  |
Intangible Assets [Line Items] |  |
Gross amount | 2,771 | 2,111
Accumulated Amortization | (1,838) | (1,548)
Intangible Assets, Net (Excluding Goodwill) | $ 933 | $ 563

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