LEASES (Supplemental Cash Flow Information) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ (1,012.2)
Operating cash flows from finance leases	(1.7)
Financing cash flows from finance leases	(18.0)
Non-Cash Items [Abstract]
New operating leases	409.5
Operating lease modifications and reassessments	334.1
Reduction in operating lease liability	$ 60.6