BUSINESS AND BASIS OF PRESENTATION - Recently Adopted Accounting Policy (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jul. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Leases Right Of Use Asset	$ 653.0
Lease Liabilities	$ 700.1
ASC 842
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Leases Right Of Use Asset		$ 527.6
Lease Liabilities		$ 545.1