DERIVATIVE FINANCIAL INSTRUMENTS (Fair Value Of Derivative Instruments In Balance Sheets) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Derivatives, Fair Value
Derivative assets	$ 198.9		$ 198.9		$ 297.9
Derivative liabilities	142.4		142.4		176.3
Derivatives Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	177.1		177.1		218.4
Derivative liabilities	135.3		135.3		160.7
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	164.3		164.3		189.5
Derivative liabilities	121.7		121.7		141.9
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	12.8		12.8		28.9
Derivative liabilities	13.6		13.6		18.8
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	21.8		21.8		79.5
Derivative liabilities	7.1		7.1		15.6
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	21.7		21.7		79.2
Derivative liabilities	7.1		7.1		15.6
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	0.1		0.1		0.3
Derivative liabilities	0.0		0.0		$ 0.0
Cash Flow Hedging | Foreign exchange contracts
Derivatives, Fair Value
Foreign exchange contracts	$ (0.2)	$ 20.1	$ (20.4)	$ (71.6)