DERIVATIVE FINANCIAL INSTRUMENTS - Fair value of derivative instruments in balance sheets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Derivatives, Fair Value
Derivative assets	$ 320.0		$ 320.0		$ 120.8
Derivative liabilities	569.8		569.8		176.5
Foreign exchange contracts | Cash Flow Hedging
Derivatives, Fair Value
Foreign exchange contracts	(43.9)	$ (20.8)	(107.6)	$ (41.2)
Derivatives Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	303.1		303.1		116.9
Derivative liabilities	475.9		475.9		155.0
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	289.2		289.2		106.4
Derivative liabilities	436.4		436.4		139.5
Derivatives Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	13.9		13.9		10.5
Derivative liabilities	39.5		39.5		15.5
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts
Derivatives, Fair Value
Derivative assets	16.9		16.9		3.9
Derivative liabilities	93.9		93.9		21.5
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Current - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	16.9		16.9		3.9
Derivative liabilities	87.5		87.5		21.5
Derivatives Not Designated As Hedging Instruments | Foreign exchange contracts | Long-term - Derivative financial instruments
Derivatives, Fair Value
Derivative assets	0.0		0.0		0.0
Derivative liabilities	$ 6.4		$ 6.4		$ 0.0