DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Notional Amounts (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	$ 49,000,000	$ 56,350,000
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	28,000,000	22,000,000
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	900,000,000	650,000,000
Derivatives designated as cash flow hedges | Derivatives designated as cash flow hedges | Forward-starting interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	475,000	0
Derivative not designated as a hedging instrument | Carbon options
Derivatives, Fair Value [Line Items]
Notional Amount	$ 0	$ 9,592,000