DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Notional Amounts) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Designated as Hedging Instrument | Derivatives designated as cash flow hedges: | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	$ 60,350	$ 56,350
Designated as Hedging Instrument | Derivatives designated as cash flow hedges: | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	36,000	22,000
Designated as Hedging Instrument | Derivatives designated as cash flow hedges: | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	650,000	650,000
Designated as Hedging Instrument | Derivatives designated as cash flow hedges: | Interest rate swap locks
Derivatives, Fair Value [Line Items]
Notional Amount	250,000	0
Designated as Hedging Instrument | Derivatives designated as cash flow hedges: | Forward-starting interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	425,000	0
Derivatives not designated as hedging instruments: | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	0	0
Derivatives not designated as hedging instruments: | Carbon options
Derivatives, Fair Value [Line Items]
Notional Amount	$ 5,070	$ 9,592