RESTRUCTURING COSTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2012			$ 0
Costs incurred	4,192	0	8,890		0
Restructuring Reserve, Settled without Cash			(742)	[1]
Cash paid			(5,239)
Foreign currency movements			(14)
BALANCE September 30, 2013	2,895		2,895
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2012			0
Costs incurred	4,175		8,724
Restructuring Reserve, Settled without Cash			(742)	[1]
Cash paid			(5,058)
Foreign currency movements			(29)
BALANCE September 30, 2013	2,895		2,895
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2012			0
Costs incurred	17		166
Restructuring Reserve, Settled without Cash			0	[1]
Cash paid			(181)
Foreign currency movements			15
BALANCE September 30, 2013	0		0
BULGARIA [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	414		414
BULGARIA [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	414		414
BULGARIA [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	0		0
CROATIA [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	62		62
CROATIA [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	62		62
CROATIA [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	0		0
CZECH REPUBLIC [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	362		881
CZECH REPUBLIC [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	353		813
CZECH REPUBLIC [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	9		68
ROMANIA [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	164		164
ROMANIA [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	162		162
ROMANIA [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	2		2
SLOVAK REPUBLIC [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	0		204
SLOVAK REPUBLIC [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	0		204
SLOVAK REPUBLIC [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	0		0
SLOVENIA [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	203		615
SLOVENIA [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	203		615
SLOVENIA [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	0		0
Corporate [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	2,987		6,550
Corporate [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	2,981		6,454
Corporate [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Costs incurred	$ 6		$ 96
Operating Segments [Member]
Restructuring Cost and Reserve [Line Items]
Number of Operating Segments			6

[1] (1) Reflects restructuring charges due to acceleration of stock-based compensation awards. See Note 16, "Stock-based Compensation".