SEGMENT DATA Long Lived Assets (Details) - USD ($) $ in Thousands		Sep. 30, 2016		Dec. 31, 2015		Sep. 30, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Long-lived assets		$ 109,424	[1]	$ 108,522	[1]	$ 109,237	$ 114,335
BULGARIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	6,368		5,602
CROATIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	5,946		5,497
CZECH REPUBLIC [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	37,701		39,907
ROMANIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	23,528		20,873
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	15,328		15,606
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	15,004		15,082
Operating Segments [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	103,875		102,567
Corporate [Member]
Segment Reporting Information [Line Items]
Long-lived assets	[1]	$ 5,549		$ 5,955

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