RESTRUCTURING COSTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 5,366	$ 0
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2013	3,305
Costs incurred	5,926
Cash paid	(4,045)
Accrual reversal	(560)
Foreign currency movements	11
BALANCE March 31, 2014	4,637
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	5,865
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	61
Accrual reversal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	(560)
BULGARIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	3,359
BULGARIA [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	3,317
BULGARIA [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	42
BULGARIA [Member] | Accrual reversal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0
CZECH REPUBLIC
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	440
CZECH REPUBLIC | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	440
CZECH REPUBLIC | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0
CZECH REPUBLIC | Accrual reversal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0
ROMANIA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1,747
ROMANIA [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1,747
ROMANIA [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0
ROMANIA [Member] | Accrual reversal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0
SLOVAK REPUBLIC [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	(180)
SLOVAK REPUBLIC [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	361
SLOVAK REPUBLIC [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	19
SLOVAK REPUBLIC [Member] | Accrual reversal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	(560)
Operating Segments [Member]
Restructuring Cost and Reserve [Line Items]
Number of Operating Segments	6
Segment Reorganization [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2013	3,305
Costs incurred	0
Cash paid	(1,451)
Accrual reversal	(560)
Foreign currency movements	11
BALANCE March 31, 2014	1,305
Segment Reorganization [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2013	2,674
Costs incurred	0
Cash paid	(1,438)
Accrual reversal	0
Foreign currency movements	9
BALANCE March 31, 2014	1,245
Segment Reorganization [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2013	631
Costs incurred	0
Cash paid	(13)
Accrual reversal	(560)
Foreign currency movements	2
BALANCE March 31, 2014	60
2014 Initiatives [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2013	0
Costs incurred	5,926
Cash paid	(2,594)
Accrual reversal	0
Foreign currency movements	0
BALANCE March 31, 2014	3,332
2014 Initiatives [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2013	0
Costs incurred	5,865
Cash paid	(2,594)
Accrual reversal	0
Foreign currency movements	0
BALANCE March 31, 2014	3,271
2014 Initiatives [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
BALANCE December 31, 2013	0
Costs incurred	61
Cash paid	0
Accrual reversal	0
Foreign currency movements	0
BALANCE March 31, 2014	$ 61