PROPERTY, PLANT AND EQUIPMENT Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Movement in Property, Plant and Equipment [Roll Forward]
Opening balance			$ 192,607	$ 198,292	[1]	$ 206,310
Additions				9,882		9,629
Disposals				(1,214)		(238)
Depreciation	(8,877)		(8,902)	(17,595)		(19,073)
Foreign currency movements				(84)		(4,021)
Ending balance	$ 189,281	[1]		$ 189,281	[1]

[1] Reflects property, plant and equipment.