BUSINESS ACQUISITIONS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2014
Business Combination Purchase Price Allocation [Line Items]
Revenues	$ 2,447.0	$ 2,368.0
Operating Income (Loss)	332.7	299.5
Other Long-term Debt	565.0		$ 56.2
Other Significant Noncash Transaction, Value of Consideration Given	27.0	11.9
Net Income (Loss) Attributable to Parent	192.2	164.1
Goodwill, Acquired During Period	58.0	398.3
Goodwill	6,502.1		$ 6,424.4	$ 6,202.1
Cash payments for laboratory-related assets	72.2	71.4
Payments to Acquire Businesses, Net of Cash Acquired	$ 151.8	$ 93.3