DEBT - COVERTIBLE SUBORDINATED NOTES (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Notes Payable, Noncurrent	$ 0.6	$ 2.3
Long-term debt, less current portion	4,054.7	5,038.8
Senior notes due 2024	0.0	600.0
Foreign Currency Contract, Asset, Fair Value Disclosure	(109.0)	(45.7)
Debt, Current	999.8	301.3
Senior notes due 2027 [Member]
Debt Instrument [Line Items]
Long-term debt, less current portion	$ 600.0	$ 600.0