DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Balance Sheet Location) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	$ 3,108	$ 3,788
Fair value, derivative liability	(82,558)	(11,904)
Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	1,815	575
Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	1,293	3,213
Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(270)	(806)
Other non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(82,288)	(11,098)
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency exchange contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	1,252	424
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency exchange contracts | Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	1,293	390
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency exchange contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(96)	(172)
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency option contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	563	151
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency option contracts | Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	0	209
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency option contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(174)	(27)
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency option contracts | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	0	(30)
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	0	2,614
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Interest rate swaps | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(61,308)	(11,068)
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Forward-starting interest rate swaps | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(20,980)	0
Derivative not designated as a hedging instrument | Carbon options | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	$ 0	$ (607)