DERIVATIVE FINANCIAL INSTRUMENTS (Fair Value Of Derivative Instruments In Balance Sheets) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Derivatives, Fair Value
Derivative assets	$ 238.8		$ 297.9
Derivative liabilities	206.7		176.3
Derivatives Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	235.0		218.4
Derivative liabilities	198.6		160.7
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	199.7		189.5
Derivative liabilities	164.8		141.9
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	35.3		28.9
Derivative liabilities	33.8		18.8
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	3.8		79.5
Derivative liabilities	8.1		15.6
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	3.8		79.2
Derivative liabilities	7.7		15.6
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	0.0		$ 0.3
Derivative liabilities	0.4
Cash Flow Hedging | Foreign exchange contracts
Derivatives, Fair Value
Foreign exchange contracts	$ (20.2)	$ (91.7)