LEASES (Components of Lease Expense) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
LEASES [Abstract]
Depreciation of right-of-use assets		$ 16.5	$ 7.1	$ 1.6
Interest on lease liabilities		1.2	0.6	(0.1)
Operating lease cost		85.6	71.0	58.5
Short-term lease cost	[1]	46.4	27.3	30.5
Variable lease cost		14.4	10.6	12.9
Sublease income		(2.9)	(3.1)	(2.7)
Total lease cost		$ 161.2	$ 113.5	$ 100.7

[1] Our short-term lease cost includes the cost of leases with an initial term of one year or less (including those with terms of one month or less).