BUSINESS ACQUISITIONS Business Acquisitions in the Aggregate (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2015
Business Acquisition [Line Items]
Proforma consolidated net revenue		$ 2,611.3
Other Long-term Debt	$ 72.0		$ 57.8
Revenues	2,848.3	2,413.7
Payments to Acquire Businesses, Net of Cash Acquired	0.0	151.8
Goodwill, Acquired During Period	6.8	$ 1,009.8
Goodwill	$ 7,615.5		$ 7,571.4	$ 6,424.4