ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (ROLLFORWARD TABLE) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	$ 365,274	$ 345,223	$ 352,849	$ 362,845
Ending balance, value	390,649	331,664	390,649	331,664
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(119,878)	(107,903)	(124,596)	(102,304)
Other comprehensive income (loss) before reclassifications			16,592	(19,362)
Amounts reclassified from accumulated other comprehensive income (loss)			(2,682)	(7,659)
Net current period other comprehensive income (loss)			13,910	(27,021)
Ending balance, value	(110,686)	(129,325)	(110,686)	(129,325)
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			6,380	(25,722)
Net current period other comprehensive income (loss)			6,380	(25,722)
Ending balance, value	(107,788)	(109,822)	(107,788)	(109,822)
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			10,096	5,945
Amounts reclassified from accumulated other comprehensive income (loss)			(2,583)	(7,458)
Net current period other comprehensive income (loss)			7,513	(1,513)
Ending balance, value	(765)	(17,259)	(765)	(17,259)
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			116	415
Amounts reclassified from accumulated other comprehensive income (loss)			(99)	(201)
Net current period other comprehensive income (loss)			17	214
Ending balance, value	$ (2,133)	$ (2,244)	$ (2,133)	$ (2,244)

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

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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