LEASES - Operating Lease Costs, and Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating lease cost	$ 63.7	$ 58.7
Short-term and variable lease cost	28.8	23.6
Total lease cost	92.5	82.3
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows - payments on operating leases	62.7	57.9
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	$ 72.1	$ 69.9