LEASES (Components of Lease Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
LEASES [Abstract]
Depreciation of right-of-use assets	$ 4.2	$ 0.8	$ 12.9	$ 2.2
Interest on lease liabilities	0.2	0.2	0.9	0.2
Operating lease cost	21.7	18.4	65.6	49.2
Short-term lease cost	12.3	7.7	32.8	17.9
Variable lease cost	4.7	2.2	8.9	7.7
Sublease income	(0.6)	(0.6)	(2.2)	(2.4)
Total lease cost	$ 42.5	$ 28.7	$ 118.9	$ 74.8