LEASES (Details 2) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Balance Sheet Lease Location [Line Items]
Operating lease assets, net	$ 314.6	$ 0.0	$ 0.0
Total leased assets	320.4
Operating lease liabilities, current	71.2	0.0	0.0
Operating lease liabilities, noncurrent	248.2	$ 0.0	$ 0.0
Total lease liabilities	325.1
Finance Lease, Gross Value	10.0
Finance Lease, Accumulated Depreciation	4.2
Operating lease assets, net
Balance Sheet Lease Location [Line Items]
Operating lease assets, net	314.6
Property, plant and equipment, less accumulated depreciation
Balance Sheet Lease Location [Line Items]
Finance lease assets	5.8
Current operating lease liabilities
Balance Sheet Lease Location [Line Items]
Operating lease liabilities, current	71.2
Current installments of long-term debt
Balance Sheet Lease Location [Line Items]
Finance lease liabilities, current	1.1
Operating lease liabilities
Balance Sheet Lease Location [Line Items]
Operating lease liabilities, noncurrent	248.2
Long-term debt
Balance Sheet Lease Location [Line Items]
Finance lease liability, noncurrent	$ 4.6