PROPERTY, PLANT AND EQUIPMENT Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016		Mar. 31, 2015
Movement in Property, Plant and Equipment [Roll Forward]
Opening balance	$ 108,522	[1]	$ 114,335
Additions	5,536		4,982
Disposals	(50)		(192)
Depreciation	(7,285)		(7,001)
Foreign currency movements	5,025		(12,330)
Ending balance	$ 111,748	[1]	$ 99,794

[1] Reflects property, plant and equipment.