GOODWILL AND INTANGIBLE ASSETS (Changes in Carrying Amount of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Mar. 31, 2013	Jun. 30, 2014
Goodwill [Line Items]
Balance as of January 1	$ 2,901.7	$ 3,022.8
Goodwill acquired during the period	127.0	46.7
Adjustments to goodwill	(5.9)	(0.3)
Balance at end of period		3,069.2
Clinical diagnostics laboratory [Member]
Goodwill [Line Items]
Balance as of January 1	2,857.1	2,960.2
Goodwill acquired during the period	107.5	46.7
Adjustments to goodwill	(4.4)	0
Balance at end of period		3,006.9
Other Segments [Member]
Goodwill [Line Items]
Balance as of January 1	44.6	62.6
Goodwill acquired during the period	19.5	0
Adjustments to goodwill	(1.5)	(0.3)
Balance at end of period		$ 62.3