RESTRUCTURING CHARGES Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Charges (credits) - Employee termination costs, net of change in estimate	$ 50,026	$ 23,986	$ 20,064
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		2,147	3,477
Charges (credits) - Employee termination costs, net of change in estimate		500	21,656
Credits - Other			(1,592)
Payments - Employee termination costs			(21,461)
Payments - Other			(136)
Currency translation adjustment			1,180
Foreign exchange (gain) loss			(977)
Restructuring Reserve			2,147
Contract Termination [Member] | Quarter Three 2002 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			1,592
Charges (credits) - Employee termination costs, net of change in estimate			0
Credits - Other			(1,592)
Payments - Employee termination costs			0
Payments - Other			0
Currency translation adjustment			0
Foreign exchange (gain) loss			0
Restructuring Reserve			0
Contract Termination [Member] | Quarter Two 2008 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			3
Charges (credits) - Employee termination costs, net of change in estimate			(3)
Credits - Other			0
Payments - Employee termination costs			0
Payments - Other			0
Currency translation adjustment			0
Foreign exchange (gain) loss			0
Restructuring Reserve			0
Contract Termination [Member] | Quarter Three 2008 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			460
Charges (credits) - Employee termination costs, net of change in estimate			0
Credits - Other			0
Payments - Employee termination costs			0
Payments - Other			0
Currency translation adjustment			15
Foreign exchange (gain) loss			(174)
Restructuring Reserve			301
Contract Termination [Member] | Quarter One 2009 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			136
Charges (credits) - Employee termination costs, net of change in estimate			0
Credits - Other			0
Payments - Employee termination costs			0
Payments - Other			(136)
Currency translation adjustment			0
Foreign exchange (gain) loss			0
Restructuring Reserve			0
Contract Termination [Member] | Quarter Two 2010 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			1,286
Charges (credits) - Employee termination costs, net of change in estimate			21,659
Credits - Other			0
Payments - Employee termination costs			(21,461)
Payments - Other			0
Currency translation adjustment			1,165
Foreign exchange (gain) loss			(803)
Restructuring Reserve			1,846
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	16,222	2,147
Charges (credits) - Employee termination costs, net of change in estimate	44,394	23,491
Charges - Other	453	495
Payments - Employee termination costs	(35,662)	(9,662)
Payments - Other	(682)
Foreign exchange (gain) loss	716	249
Restructuring Reserve	25,441	16,222
Restructuring Reserve, Settled without Cash	5,179
Employee Severance [Member] | Quarter Three 2008 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		301
Charges (credits) - Employee termination costs, net of change in estimate		0
Charges - Other		0
Payments - Employee termination costs		(301)
Foreign exchange (gain) loss		0
Restructuring Reserve		0
Employee Severance [Member] | Quarter Two 2010 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	439	1,846
Charges (credits) - Employee termination costs, net of change in estimate	0	924
Charges - Other	0	0
Payments - Employee termination costs	(158)	(1,902)
Payments - Other	0
Foreign exchange (gain) loss	0	429
Restructuring Reserve	281	439
Restructuring Reserve, Settled without Cash	0
Employee Severance [Member] | Quarter Two 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	7,418	0
Charges (credits) - Employee termination costs, net of change in estimate	(13)	11,724
Charges - Other	0	0
Payments - Employee termination costs	(6,508)	(4,486)
Payments - Other	0
Foreign exchange (gain) loss	0	(180)
Restructuring Reserve	897	7,418
Restructuring Reserve, Settled without Cash	0
Employee Severance [Member] | Quarter Four 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	8,365	0
Charges (credits) - Employee termination costs, net of change in estimate	(1,720)	10,843
Charges - Other	0	495
Payments - Employee termination costs	(6,400)	(2,973)
Payments - Other	(229)
Foreign exchange (gain) loss	(16)	0
Restructuring Reserve	0	8,365
Restructuring Reserve, Settled without Cash	68
Employee Severance [Member] | Quarter One 2013 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0
Charges (credits) - Employee termination costs, net of change in estimate	44,084
Charges - Other	453
Payments - Employee termination costs	(21,873)
Payments - Other	(453)
Foreign exchange (gain) loss	738
Restructuring Reserve	22,949
Restructuring Reserve, Settled without Cash	5,111
Employee Severance [Member] | Quarter Three 2013 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0
Charges (credits) - Employee termination costs, net of change in estimate	2,043
Charges - Other	0
Payments - Employee termination costs	(723)
Payments - Other	0
Foreign exchange (gain) loss	(6)
Restructuring Reserve	1,314
Restructuring Reserve, Settled without Cash	$ 0