BUSINESS ACQUISITIONS Business Acquisitions in the Aggregate (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years
Revenues	$ 2,881.7	$ 2,866.3	$ 5,672.9	$ 5,714.6
Payments to Acquire Businesses, Net of Cash Acquired			703.7	$ 79.1
Goodwill, Acquired During Period			490.5
Goodwill	$ 7,843.7		7,843.7		$ 7,360.3
Other acquirees [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired			117.7
Goodwill, Acquired During Period			53.8
Finite-lived Intangible Assets Acquired			$ 90.7