LEASES - COMPONENTS OF LEASE COST (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Components of Lease Cost
Operating lease cost	$ 38.3	$ 41.6	$ 80.1	$ 80.0
Short-term lease cost	1.5	0.1	1.7	0.2
Variable lease cost	0.2	0.2	0.4	0.4
Total lease cost	$ 40.0	$ 41.9	$ 82.2	$ 80.6