GOODWILL AND INTANGIBLE ASSETS - SCHEDULE OF GOODWILL (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Line Items]
Goodwill	$ 3,022.8	$ 2,901.7
Adjustments to goodwill	(5.9)	(4.6)
Goodwill, Acquired During Period	127.0	224.5
Goodwill [Roll Forward]
Balance as of January 1	2,901.7	2,681.8
Adjustments to goodwill	(5.9)	(4.6)
Goodwill, net	3,022.8	2,901.7
Clinical diagnostics laboratory [Member]
Goodwill [Line Items]
Goodwill	2,960.2	2,857.1
Adjustments to goodwill	(4.4)	(5.5)
Goodwill, Acquired During Period	107.5	219.1
Goodwill [Roll Forward]
Balance as of January 1	2,857.1	2,643.5
Adjustments to goodwill	(4.4)	(5.5)
Goodwill, net	2,960.2	2,857.1
Other Segments [Member]
Goodwill [Line Items]
Goodwill	62.6	44.6
Adjustments to goodwill	(1.5)	0.9
Goodwill, Acquired During Period	19.5	5.4
Goodwill [Roll Forward]
Balance as of January 1	44.6	38.3
Adjustments to goodwill	(1.5)	0.9
Goodwill, net	$ 62.6	$ 44.6