SEGMENT DATA Capital Expenditure (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Capital expenditures	$ 5,211	$ 6,981	$ 11,287	$ 14,462
BULGARIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	806	764	988	1,463
CROATIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	803	407	1,080	935
CZECH REPUBLIC [Member]
Segment Reporting Information [Line Items]
Capital expenditures	1,312	2,080	2,863	4,576
ROMANIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	605	1,867	2,334	2,587
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Capital expenditures	291	601	824	1,747
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	455	626	1,715	1,560
Operating Segments [Member]
Segment Reporting Information [Line Items]
Capital expenditures	4,272	6,345	9,804	12,868
Corporate [Member]
Segment Reporting Information [Line Items]
Capital expenditures	$ 939	$ 636	$ 1,483	$ 1,594