Goodwill and Other Intangible Assets Details 1 (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite Life and Indefinite Life Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	$ 167,055	$ 115,252
Intangible Assets Excluding Goodwill Gross	241,185	182,238
Intangible Assets Accumulated Amortization	(74,130)	(66,986)
Customer Relationships [Member]
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	147,466	98,175
Finite-Lived Intangible Assets, Accumulated Amortization	(34,672)	(30,836)
Intangible Assets, Net (Excluding Goodwill)	112,794	67,339
Proven technology and patents
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	58,394	52,938
Finite-Lived Intangible Assets, Accumulated Amortization	(35,128)	(32,444)
Intangible Assets, Net (Excluding Goodwill)	23,266	20,494
Tradename (Finite Life)
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	4,182	4,200
Finite-Lived Intangible Assets, Accumulated Amortization	(2,514)	(2,158)
Intangible Assets, Net (Excluding Goodwill)	1,668	2,042
Tradename (Indefinite Life)
Finite Life and Indefinite Life Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	28,272	24,814
Indefinite-Lived Intangible Assets (Excluding Goodwill)	28,272	24,814
Other Intangible Assets [Member]
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	2,871	2,111
Finite-Lived Intangible Assets, Accumulated Amortization	(1,816)	(1,548)
Intangible Assets, Net (Excluding Goodwill)	$ 1,055	$ 563

The total accumulated amount of amortization of intangible assets.

No definition available.

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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

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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