PROPERTY, PLANT AND EQUIPMENT Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2016		Sep. 30, 2015	Sep. 30, 2016		Sep. 30, 2015
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Net, Other Period Increase (Decrease)				$ 0		$ (1,293)	[1]
Movement in Property, Plant and Equipment [Roll Forward]
Opening balance				108,522	[2]	114,335
Additions				20,266		24,814
Disposals				(45)		(282)
Depreciation	$ (7,557)		$ (6,974)	(22,469)		(20,911)
Foreign currency movements				3,150		(7,426)
Ending balance	$ 109,424	[2]	$ 109,237	$ 109,424	[2]	$ 109,237

[1] (1) Other is comprised of property, plant and equipment which were classified as assets held for sale in the third quarter of 2015 and subsequently sold in the fourth quarter of 2015.

[2] 1) Reflects property, plant and equipment.