RESTRUCTURING CHARGES Restructuring Charges 2012 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Accrual at the beginning of the period	$ 2,147	$ 3,477	$ 2,471
Restructuring Charges, Net of Change in Estimate	23,491	21,656	5,253
Other Charges		495
Restructuring Reserve, Settled with Cash	(9,662)	(21,461)	(3,963)
Foreign exchange (gain) loss	(249)	(977)
Accrual at the end of the period	16,222	2,147	3,477
Employee termination costs in third quarter of 2008
Restructuring Cost and Reserve [Line Items]
Accrual at the beginning of the period	301	460	557
Restructuring Reserve, Settled with Cash	(301)		(44)
Foreign exchange (gain) loss		(174)
Accrual at the end of the period	0	301	460
Employee termination costs in second quarter of 2010
Restructuring Cost and Reserve [Line Items]
Accrual at the beginning of the period	1,846	1,286	0
Restructuring Charges, Net of Change in Estimate	924	21,659	4,267
Restructuring Reserve, Settled with Cash	(1,902)	(21,461)	(2,965)
Foreign exchange (gain) loss	(429)	(803)
Accrual at the end of the period	439	1,846	1,286
Employee Severance in Second Quarter of 2012
Restructuring Cost and Reserve [Line Items]
Accrual at the beginning of the period	0
Restructuring Charges, Net of Change in Estimate	11,724
Restructuring Reserve, Settled with Cash	(4,486)
Foreign exchange (gain) loss	180
Accrual at the end of the period	7,418
Employee termination costs in fourth quarter of 2012
Restructuring Cost and Reserve [Line Items]
Accrual at the beginning of the period	0
Restructuring Charges, Net of Change in Estimate	10,843
Other Charges	495
Restructuring Reserve, Settled with Cash	(2,973)
Accrual at the end of the period	$ 8,365