LEASES (Lease Cost) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Finance lease costs, Amortization of lease right of use assets	$ 16.1	$ 14.0
Finance lease costs, Interest on lease liabilities	4.6	4.3
Operating lease costs	299.1	291.2
Short-term lease costs	59.3	92.3
Variable lease costs	31.6	31.1
Total lease costs	$ 410.7	$ 432.9