GOODWILL AND OTHER INTANGIBLE ASSETS (Indefinite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Indefinite-lived Intangible Assets [Roll Forward]
Beginning Balance	$ 94.8	$ 94.7
Foreign currency translation	0.2	0.1
Ending Balance	$ 95.0	$ 94.8