GOODWILL AND INTANGIBLE ASSETS (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 29,204	$ 29,172
Finite-Lived Intangible Assets, Accumulated Amortization	(10,975)	(10,056)
Finite-Lived Intangible Assets, Net	18,229	19,116
Other intangible assets, net	29,505	30,217
Technical Know How [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	12,991	12,984
Finite-Lived Intangible Assets, Accumulated Amortization	(6,294)	(5,730)
Customer Lists [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	9,042	9,047
Finite-Lived Intangible Assets, Accumulated Amortization	(1,100)	(871)
Land Rights [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,795	2,796
Finite-Lived Intangible Assets, Accumulated Amortization	(256)	(228)
Patents, trade names, drawings, and other [Member]
Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	4,376	4,345
Finite-Lived Intangible Assets, Accumulated Amortization	(3,325)	(3,227)
Trade Names [Member]
Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 11,276	$ 11,101