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Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 318,328	$ 315,510
Accumulated Amortization	(108,957)	(98,202)
Intangible Assets, Net (Excluding Goodwill)	209,371	217,308
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount, Tradename (indefinite life)	35,442	35,500
Intangible Assets, Net (Excluding Goodwill)	35,442	35,500
Customer Relationships [Member]
Intangible Assets [Line Items]
Gross amount	197,467	197,942
Accumulated Amortization	(56,508)	(49,887)
Intangible Assets, Net (Excluding Goodwill)	140,959	148,055
Proven technology and patents [Member]
Intangible Assets [Line Items]
Gross amount	75,482	73,880
Accumulated Amortization	(46,076)	(42,750)
Intangible Assets, Net (Excluding Goodwill)	29,406	31,130
Tradename (indefinite life) [Member]
Intangible Assets [Line Items]
Gross amount	4,482	4,504
Accumulated Amortization	(2,981)	(2,874)
Intangible Assets, Net (Excluding Goodwill)	1,501	1,630
Other Intangible Assets [Member]
Intangible Assets [Line Items]
Gross amount	5,455	3,684
Accumulated Amortization	(3,392)	(2,691)
Intangible Assets, Net (Excluding Goodwill)	$ 2,063	$ 993

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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