LEASES - Other Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 15.7	$ 15.8	$ 31.8	$ 32.1
Operating cash flows from finance leases	0.1	0.0	0.1	0.0
Financing cash flows from finance leases	0.2	0.3	0.6	0.7
Cash paid for amounts included in measurement of liabilities	16.0	16.1	32.5	32.8
Right-of-use assets obtained in exchange for new finance liabilities	0.1	0.1	0.2	0.9
Right-of-use assets obtained in exchange for new operating liabilities	$ 0.8	$ 8.0	$ 12.8	$ 20.0