ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation, Gross	$ (35,340)	$ (16,510)	$ (58,652)	$ (1,693)
Foreign currency translation, Tax Effect	0	0	0	0
Foreign currency translation, Net of Tax	(35,340)	(16,510)	(58,652)	(1,693)
Unrealized gain (loss) on available-for-sale securities, Gross	(188)	(990)	(807)	(667)
Unrealized gain (loss) on available-for-sale securities, Tax Effect	22	43	92	83
Unrealized gain (loss) on available-for-sale securities, Net of Tax	(166)	(947)	(715)	(584)
Other comprehensive (loss) income, Gross	(35,528)	(17,500)	(59,459)	(2,360)
Other comprehensive (loss) income, Tax Effect	(22)	(43)	(92)	(83)
Other comprehensive loss	(35,506)	(17,457)	(59,367)	(2,277)
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance			49,632
Other comprehensive loss, net of tax	(35,506)	(17,457)	(59,367)	(2,277)
Ending balance	(9,735)		(9,735)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss			(58,652)
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance			50,627
Other comprehensive loss, net of tax			(58,652)
Ending balance	(8,025)		(8,025)
Unrealized Gain (Loss) on Available-For-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss			(715)
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance			660
Other comprehensive loss, net of tax			(715)
Ending balance	(55)		(55)
Unfunded Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss			0
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance			(1,655)
Other comprehensive loss, net of tax			0
Ending balance	$ (1,655)		$ (1,655)