Goodwill and Other Intangible Assets Details 1 (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite Life and Indefinite Life Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	$ 112,784	$ 114,418
Intangible Assets Excluding Goodwill Gross	174,573	171,772
Intangible Assets Accumulated Amortization	(61,789)	(57,354)
Customer Relationships
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	98,325	98,374
Finite-Lived Intangible Assets, Accumulated Amortization	(28,159)	(25,313)
Intangible Assets, Net (Excluding Goodwill)	70,166	73,061
Proven technology and patents
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	45,588	43,233
Finite-Lived Intangible Assets, Accumulated Amortization	(30,761)	(29,763)
Intangible Assets, Net (Excluding Goodwill)	14,827	13,470
Tradename (Finite Life)
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	4,140	4,300
Finite-Lived Intangible Assets, Accumulated Amortization	(1,786)	(1,619)
Intangible Assets, Net (Excluding Goodwill)	2,354	2,681
Tradename (Indefinite Life)
Finite Life and Indefinite Life Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	24,947	25,108
Indefinite-Lived Intangible Assets (Excluding Goodwill)	24,947	25,108
Other Intangible Assets
Finite Life and Indefinite Life Intangible Assets
Finite-Lived Intangible Assets, Gross	1,573	757
Finite-Lived Intangible Assets, Accumulated Amortization	(1,083)	(659)
Intangible Assets, Net (Excluding Goodwill)	$ 490	$ 98

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=26713463&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

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=26713463&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

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-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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