SEGMENT DATA Long Lived Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Segment Reporting Information [Line Items]
Assets	[1]	$ 1,454,201		$ 1,619,360
Long-lived assets		108,522	[2]	114,335	[2]	$ 142,907
BULGARIA
Segment Reporting Information [Line Items]
Assets	[1]	134,418		141,055
Long-lived assets	[2]	5,602		4,187
CROATIA
Segment Reporting Information [Line Items]
Assets	[1]	52,306		58,000
Long-lived assets	[2]	5,497		5,579
CZECH REPUBLIC
Segment Reporting Information [Line Items]
Assets	[1]	746,269		803,361
Long-lived assets	[2]	39,907		40,940
ROMANIA
Segment Reporting Information [Line Items]
Assets	[1]	261,984		297,256
Long-lived assets	[2]	20,873		22,110
Slovak Republic [Member]
Segment Reporting Information [Line Items]
Assets	[1]	121,122		134,544
Long-lived assets	[2]	15,606		17,374
Slovenia [Member]
Segment Reporting Information [Line Items]
Assets	[1]	70,911		78,403
Long-lived assets	[2]	15,082		16,647
Total operating segments [Member]
Segment Reporting Information [Line Items]
Assets	[1]	1,387,010		1,512,619
Long-lived assets	[2]	102,567		106,837
Corporate [Member]
Segment Reporting Information [Line Items]
Assets	[1]	67,191		76,875
Long-lived assets	[2]	$ 5,955		$ 7,498

[1] Segment assets exclude any intercompany balances.

[2] Reflects property, plant and equipment.