DERIVATIVE FINANCIAL INSTRUMENTS (Fair Value Of Derivative Instruments In Balance Sheets) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Derivatives, Fair Value
Derivative assets	$ 166.7		$ 166.7		$ 297.9
Derivative liabilities	162.5		162.5		176.3
Derivatives Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	145.9		145.9		218.4
Derivative liabilities	136.1		136.1		160.7
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	139.7		139.7		189.5
Derivative liabilities	128.2		128.2		141.9
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	6.2		6.2		28.9
Derivative liabilities	7.9		7.9		18.8
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	20.8		20.8		79.5
Derivative liabilities	26.4		26.4		15.6
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	20.6		20.6		79.2
Derivative liabilities	26.4		26.4		15.6
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	0.2		0.2		0.3
Derivative liabilities	0.0		0.0		$ 0.0
Cash Flow Hedging | Foreign exchange contracts
Derivatives, Fair Value
Foreign exchange contracts	$ (20.8)	$ 56.7	$ (41.2)	$ (14.9)