DERIVATIVE FINANCIAL INSTRUMENTS - Fair value of derivative instruments in statement of financial position (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Derivative assets	$ 213.8	$ 289.9
Derivative liabilities	$ 204.7	$ 350.2
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Derivative financial instruments (Note 23)	Derivative financial instruments (Note 23)
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]	Derivative Liability, Current	Derivative Liability, Current
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Derivative Asset, Noncurrent	Derivative Asset, Noncurrent
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Derivative Liability, Noncurrent	Derivative Liability, Noncurrent
Foreign exchange contracts \| Cash flow hedging
Derivatives, Fair Value [Line Items]
Foreign exchange contracts	$ 48.2	$ (55.7)	$ (26.3)
Derivatives designated as hedging instruments \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivative assets	213.9	262.0
Derivative liabilities	192.7	336.1
Derivatives designated as hedging instruments \| Foreign exchange contracts \| Current - Derivative financial instruments
Derivatives, Fair Value [Line Items]
Derivative assets	183.5	254.8
Derivative liabilities	167.9	332.5
Derivatives designated as hedging instruments \| Foreign exchange contracts \| Long-term - Derivative financial instruments
Derivatives, Fair Value [Line Items]
Derivative assets	30.4	7.2
Derivative liabilities	24.8	3.6
Derivatives not designated as hedging instruments \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivative assets	(0.1)	27.9
Derivative liabilities	12.0	14.1
Derivatives not designated as hedging instruments \| Foreign exchange contracts \| Current - Derivative financial instruments
Derivatives, Fair Value [Line Items]
Derivative assets	(0.1)	27.9
Derivative liabilities	$ 12.0	$ 14.1

Indicates line item in statement of financial position that includes derivative asset classified as current.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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