ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Sep. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Balance as of December 31, 2013	$ 12,797	$ 5,209
Other comprehensive income before reclassifications	(7,860)
Amounts reclassified from accumulated other comprehensive income	272
Net increase in other comprehensive income	(7,588)
Balance as of September 30, 2014		5,209
Accumulated Translation Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Balance as of December 31, 2013	14,952	7,092
Other comprehensive income before reclassifications	(7,860)
Amounts reclassified from accumulated other comprehensive income	0
Net increase in other comprehensive income	(7,860)
Balance as of September 30, 2014		7,092
Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Balance as of December 31, 2013	(2,153)	(2,209)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	(56)
Net increase in other comprehensive income	(56)
Balance as of September 30, 2014		(2,209)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Balance as of December 31, 2013	(2)	326
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	328
Net increase in other comprehensive income	328
Balance as of September 30, 2014		$ 326