LEASES - Components of lease expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating and Finance lease costs	$ 201.9	$ 177.9	$ 175.9
Short-term lease costs	45.7	14.0	5.2
Less: sublease income	5.7	3.6	2.4
Net lease cost	$ 241.9	$ 188.3	$ 178.7