BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Transaction Gains (Losses) Resulting from Remeasurement) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Foreign Currency Transaction Gain (Loss), before Tax	$ 0.8	$ 3.3	$ (1.3)
Transaction Gains and Losses Resulting from Remeasurement [Member]
Foreign Currency Transaction Gain (Loss), before Tax	(16.8)	16.3	29.0
Cash and Cash Equivalents [Member]
Foreign Currency Transaction Gain (Loss), before Tax	(1.0)	1.5	10.6
Intercompany loan [Member]
Foreign Currency Transaction Gain (Loss), before Tax	$ (16.6)	$ 11.5	$ 19.7