SEGMENT DATA Long Lived Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013		Mar. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Long-lived assets	$ 194,584	[1]	$ 198,346	[1]	$ 193,412	$ 206,406
BULGARIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	13,748	[1]	13,742	[1]
CROATIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	5,662	[1]	6,234	[1]
CZECH REPUBLIC
Segment Reporting Information [Line Items]
Long-lived assets	46,524	[1]	47,683	[1]
ROMANIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	80,587	[1]	81,165	[1]
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Long-lived assets	19,401	[1]	20,299	[1]
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Long-lived assets	19,587	[1]	20,226	[1]
Operating Segments [Member]
Segment Reporting Information [Line Items]
Long-lived assets	185,509	[1]	189,349	[1]
Corporate [Member]
Segment Reporting Information [Line Items]
Long-lived assets	$ 9,075	[1]	$ 8,997	[1]

[1] Reflects property, plant and equipment.