DERIVATIVES (BALANCE SHEET CLASSIFICATION) (Details) - Foreign Exchange [Member] - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Designated as Hedging Instruments [Member] | Cash Flow [Member]
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	$ (1,055)	$ (11,316)
Designated as Hedging Instruments [Member] | Cash Flow [Member] | Prepaids And Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	1,366	814
Designated as Hedging Instruments [Member] | Cash Flow [Member] | Other assets [Member]
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	1,830	215
Designated as Hedging Instruments [Member] | Cash Flow [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	(3,512)	(8,861)
Designated as Hedging Instruments [Member] | Cash Flow [Member] | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	(739)	(3,484)
Not Designated as Hedging Instruments [Member] | Fair Value [Member]
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	191	(44)
Not Designated as Hedging Instruments [Member] | Fair Value [Member] | Prepaids And Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	287	60
Not Designated as Hedging Instruments [Member] | Fair Value [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total net derivative asset (liability)	$ (96)	$ (104)