GOODWILL AND INTANGIBLE FRANCHISE RIGHTS (Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Gross Carrying Amount, beginning balance	$ 641.7	$ 592.2
Less: Accumulated Impairment, beginning balance	(537.7)	(537.7)
Net, beginning balance	104.0	54.5
Acquisitions	28.3	49.5
Divestitures	(2.1)
Gross Carrying Amount, ending balance	667.9	641.7
Less: Accumulated Impairment, ending balance	(537.7)	(537.7)
Net, ending balance	$ 130.2	$ 104.0