BASIS OF PRESENTATION - Schedule of Variable Interest Entities (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Variable Interest Entity [Line Items]
Other accruals	$ 1,170.0	$ 1,037.2	$ 1,329.5
Other long-term liabilities	2,016.8	1,689.9	1,908.0
VIEs
Variable Interest Entity [Line Items]
Other assets	688.0	573.8	675.0
Other accruals	55.9	75.0	80.9
Other long-term liabilities	592.1	482.1	568.2
Reduction of Accrued taxes	21.8	24.3	94.8
Net deferred income tax asset	$ 24.6	$ 25.8	$ 19.4