ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (ROLLFORWARD TABLE) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	$ 401,406	$ 365,274	$ 431,730	$ 352,849
Ending balance, value	447,927	390,649	447,927	390,649
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(143,208)	(119,878)	(106,234)	(124,596)
Other comprehensive income (loss) before reclassifications			(22,198)	16,592
Amounts reclassified from accumulated other comprehensive income (loss)			(96)	(2,682)
Net current period other comprehensive income (loss)			(22,294)	13,910
Ending balance, value	(128,528)	(110,686)	(128,528)	(110,686)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value			(107,480)	(114,168)
Other comprehensive income (loss) before reclassifications			(18,521)	6,380
Net current period other comprehensive income (loss)			(18,521)	6,380
Ending balance, value	(126,001)	(107,788)	(126,001)	(107,788)
Derivative Valuation, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value			4,182	(8,278)
Other comprehensive income (loss) before reclassifications			(4,187)	10,096
Amounts reclassified from accumulated other comprehensive income (loss)			168	(2,583)
Net current period other comprehensive income (loss)			(4,019)	7,513
Ending balance, value	163	(765)	163	(765)
Other Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value			(2,936)	(2,150)
Other comprehensive income (loss) before reclassifications			510	116
Amounts reclassified from accumulated other comprehensive income (loss)			(264)	(99)
Net current period other comprehensive income (loss)			246	17
Ending balance, value	$ (2,690)	$ (2,133)	$ (2,690)	$ (2,133)

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 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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