ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclassified AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other operating income, net	$ 9,463	$ 7,138	$ 15,368	$ 12,713
Comprehensive (loss) income attributable to noncontrolling interest	(4,410)	9,731	(8,153)	13,522
Income tax benefit	$ 2,276	$ (296)	1,495	(768)
Net loss from accumulated other comprehensive income			(2,929)		$ 7,687
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net loss from accumulated other comprehensive income			428	1,188
Amount reclassified from accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net loss from accumulated other comprehensive income			428		$ 4,400
Amount reclassified from accumulated other comprehensive income | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Comprehensive (loss) income attributable to noncontrolling interest			(320)	(889)
Income tax benefit			(166)	(462)
Amount reclassified from accumulated other comprehensive income | Foreign currency exchange contracts | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other operating income, net			341	1,504
Amount reclassified from accumulated other comprehensive income | Foreign currency option contracts | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other operating income, net			$ 573	$ 1,035