LEASES (Components of Lease Expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
LEASES [Abstract]
Depreciation of right-of-use assets	$ 3.4	$ 4.4
Interest on lease liabilities	0.2	0.3
Operating lease cost	19.4	23.0
Short-term lease cost	11.7	10.3
Variable lease cost	5.1	1.8
Sublease income	(0.8)	(0.8)
Total lease cost	$ 39.0	$ 39.0