ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation - Gross	$ (23,312)	$ 14,817
Foreign currency translation, Tax Effect	0	0
Foreign currency translation, Net of Tax	(23,312)	14,817
Unrealized gain (loss) on available-for-sale securities, Gross	(619)	404
Unrealized gain (loss) on available-for-sale securities, Tax Effect	70	(41)
Unrealized gain (loss) on available-for-sale securities, Net of Tax	(549)	363
Other comprehensive (loss) income, Gross	(23,931)	15,221
Other comprehensive (loss) income, Tax Effect	(70)	41
Other comprehensive (loss) income	(23,861)	15,180
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	49,632
Other comprehensive loss	(23,861)	15,180
Ending balance	25,771
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income	(23,312)
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	50,627
Other comprehensive loss	(23,312)
Ending balance	27,315
Unrealized Gain (Loss) on Available-For-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income	(549)
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	660
Other comprehensive loss	(549)
Ending balance	111
Unfunded Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive (loss) income	0
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance	(1,655)
Other comprehensive loss	0
Ending balance	$ (1,655)