BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Foreign Currency Transaction Gain (Loss), before Tax	$ 0.0	$ 0.2	$ 13.6	$ (0.9)
Short-term intercompany loan [Member]
Foreign Currency Transaction Gain (Loss), before Tax	1.5	(0.1)	16.6	0.2
Cash and Cash Equivalents [Member]
Foreign Currency Transaction Gain (Loss), before Tax	(0.5)	0.5	(1.7)	1.5
Other Remeasurement
Foreign Currency Transaction Gain (Loss), before Tax	$ (1.0)	$ (0.2)	$ (1.3)	$ (2.6)