SEGMENT DATA Revenues (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Revenues	$ 772,085	$ 864,782	$ 737,134
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Revenues	(12,246)	(6,428)	(6,235)
BULGARIA [Member]
Segment Reporting Information [Line Items]
Revenues	85,326	95,663	62,248
CROATIA [Member]
Segment Reporting Information [Line Items]
Revenues	59,299	63,674	52,970
CZECH REPUBLIC [Member]
Segment Reporting Information [Line Items]
Revenues	279,030	313,947	269,774
ROMANIA [Member]
Segment Reporting Information [Line Items]
Revenues	195,607	216,323	195,462
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Revenues	96,174	105,091	95,241
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Revenues	68,895	76,512	67,674
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	$ 784,331	$ 871,210	$ 743,369