ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (ROLLFORWARD TABLE) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	$ 352,849	$ 362,845
Ending balance, value	365,274	345,223
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(124,596)	(102,304)
Other comprehensive income (loss) before reclassifications	6,612	(1,605)
Amounts reclassified from accumulated other comprehensive income (loss)	(1,894)	(3,994)
Net current period other comprehensive income (loss)	4,718	(5,599)
Ending balance, value	(119,878)	(107,903)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(114,168)	(84,100)
Other comprehensive income (loss) before reclassifications	1,602	(5,700)
Net current period other comprehensive income (loss)	1,602	(5,700)
Ending balance, value	(112,566)	(89,800)
Derivative Valuation, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(8,278)	(15,746)
Other comprehensive income (loss) before reclassifications	4,906	3,886
Amounts reclassified from accumulated other comprehensive income (loss)	(1,845)	(3,893)
Net current period other comprehensive income (loss)	3,061	(7)
Ending balance, value	(5,217)	(15,753)
Other Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(2,150)	(2,458)
Other comprehensive income (loss) before reclassifications	104	209
Amounts reclassified from accumulated other comprehensive income (loss)	(49)	(101)
Net current period other comprehensive income (loss)	55	108
Ending balance, value	$ (2,095)	$ (2,350)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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