GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 29,184	$ 29,172
Finite-Lived Intangible Assets, Accumulated Amortization	(10,505)	(10,056)
Finite-Lived Intangible Assets, Net	18,679us-gaap_FiniteLivedIntangibleAssetsNet	19,116us-gaap_FiniteLivedIntangibleAssetsNet
Other intangible assets, net	29,870	30,217
Technical Know How [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	13,000	12,984
Finite-Lived Intangible Assets, Accumulated Amortization	(6,016)	(5,730)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	9,050	9,047
Finite-Lived Intangible Assets, Accumulated Amortization	(983)	(871)
Land Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,797	2,796
Finite-Lived Intangible Assets, Accumulated Amortization	(242)	(228)
Patents, trade names, drawings, and other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	4,337	4,345
Finite-Lived Intangible Assets, Accumulated Amortization	(3,264)	(3,227)
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 11,191	$ 11,101

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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