LEASES - Supplemental Cash Flow (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 10.0
Operating cash flows from finance leases	0.1
Financing cash flows from finance leases	0.8
Right-of-use assets obtained in exchange for new operating lease liabilities	9.1
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 1.1