COMPREHENSIVE INCOME (LOSS) (Schedule of Changes in Accumulated Other Comprehensive Income by Component (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ (23,488)
Other comprehensive (loss) income before reclassifications	(17,234)
Amounts reclassified from accumulated other comprehensive income	434
Net current-period other comprehensive income (loss)	(16,800)
Ending balance	(40,288)
Gains and Losses on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(512)
Other comprehensive (loss) income before reclassifications	(14)
Amounts reclassified from accumulated other comprehensive income	434
Net current-period other comprehensive income (loss)	420
Ending balance	(92)
Defined Benefit Pension Items
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(906)
Other comprehensive (loss) income before reclassifications	7
Amounts reclassified from accumulated other comprehensive income	0
Net current-period other comprehensive income (loss)	7
Ending balance	(899)
Foreign Currency Items
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(22,070)
Other comprehensive (loss) income before reclassifications	(17,227)
Amounts reclassified from accumulated other comprehensive income	0
Net current-period other comprehensive income (loss)	(17,227)
Ending balance	$ (39,297)