DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Offsetting of Financial Liabilities and Derivative Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Derivatives
Gross Amount of Recognized Liabilities	$ (182.8)	$ (166.7)
Gross Amount Offset in the Statement of Financial Position	0.0	0.0
Net Amount of Liabilities Presented in the Statement of Financial Position	(182.8)	(166.7)
Gross Amount Not Offset in the Statement of Financial Position	0.0	0.0
Net Amount	$ (182.8)	$ (166.7)