ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation, Gross	$ 20,731	$ 29,086	$ (37,921)	$ 27,393
Foreign currency translation, Tax Effect	0	0	0	0
Foreign currency translation, Net of Tax	20,731	29,086	(37,921)	27,393
Unrealized gain (loss) on available-for-sale securities, Gross	1,227	1,040	420	373
Unrealized gain (loss) on available-for-sale securities, Tax Effect	(153)	(146)	(61)	(63)
Unrealized gain (loss) on available-for-sale securities, Net of Tax	1,074	894	359	310
Other comprehensive (loss) income, Gross	21,958	30,126	(37,501)	27,766
Other comprehensive (loss) income, Tax Effect	153	146	61	63
Other comprehensive income (loss)	21,805	29,980	(37,562)	27,703
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance			49,632
Other comprehensive loss, net of tax	21,805	29,980	(37,562)	27,703
Ending balance	12,070		12,070
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)			(37,921)
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance			50,627
Other comprehensive loss, net of tax			(37,921)
Ending balance	12,706		12,706
Unrealized Gain (Loss) on Available-For-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)			359
Components of Other Accumulated Income, Net of Tax [Roll Forward]
Beginning balance			660
Other comprehensive loss, net of tax			359
Ending balance	1,019		1,019
Unfunded Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (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)