ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	$ (23,488)
Other comprehensive income before reclassifications	(24,940)
Amounts reclassified from accumulated other comprehensive income	526
Current period other comprehensive income (loss)	(24,414)
Balance at December 31, 2015	(47,902)
Gains and Losses on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	(512)
Other comprehensive income before reclassifications	(14)
Amounts reclassified from accumulated other comprehensive income	526
Current period other comprehensive income (loss)	512
Balance at December 31, 2015	0
Defined Benefit Pension Items
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	(906)
Other comprehensive income before reclassifications	915
Amounts reclassified from accumulated other comprehensive income	0
Current period other comprehensive income (loss)	915
Balance at December 31, 2015	9
Foreign Currency Items
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2014	(22,070)
Other comprehensive income before reclassifications	(25,841)
Amounts reclassified from accumulated other comprehensive income	0
Current period other comprehensive income (loss)	(25,841)
Balance at December 31, 2015	$ (47,911)