LEASES - Other Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating cash flows for operating leases	$ 8.6	$ 9.4
Operating cash flows for finance leases	1.5	1.3
Financing cash flows for finance leases	8.3	10.4
Net assets obtained in exchange for finance lease liabilities	13.7	7.7
Net right-of-use assets obtained in exchange for operating lease liabilities	$ 7.4	$ 3.9