ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	$ (19,556)
Other comprehensive loss before reclassifications	(38,561)
Amounts reclassified out of accumulated other comprehensive loss	(3,308)
Tax effects	344
Other comprehensive loss	(41,525)	(23,861)
Ending balance	(61,081)
Foreign Currency Translation
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	(20,164)
Other comprehensive loss before reclassifications	(39,573)
Amounts reclassified out of accumulated other comprehensive loss	0
Tax effects	0
Other comprehensive loss	(39,573)
Ending balance	(59,737)
Unrealized Gains (Losses) on Available-For-Sale Securities
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	1,904
Other comprehensive loss before reclassifications	1,012
Amounts reclassified out of accumulated other comprehensive loss	(3,308)
Tax effects	344
Other comprehensive loss	(1,952)
Ending balance	(48)
Unfunded Pension Liability
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	(1,296)
Other comprehensive loss before reclassifications	0
Amounts reclassified out of accumulated other comprehensive loss	0
Tax effects	0
Other comprehensive loss	0
Ending balance	$ (1,296)