BUSINESS ACQUISITIONS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
Business Combination Purchase Price Allocation [Line Items]
Revenues	$ 2,542.9	$ 2,430.7	$ 4,989.9	$ 4,798.7
Operating Income (Loss)	336.0	365.5	668.7	665.0
Other Long-term Debt	565.0		565.0		$ 56.2
Other Significant Noncash Transaction, Value of Consideration Given			31.4
Net Income (Loss) Attributable to Parent	188.6	$ 204.1	380.8	368.2
Goodwill, Acquired During Period			141.3		398.3
Goodwill	$ 6,641.4		6,641.4		$ 6,424.4	$ 6,202.1
Cash payments for laboratory-related assets			141.5	138.4
Payments to Acquire Businesses, Net of Cash Acquired			$ 568.0	$ 144.1