CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue, Net	$ 2,408.1	$ 2,295.2
Reimbursement Revenue	38.9	72.8
Revenues	2,447.0	2,368.0
Cost of sales	1,604.5	1,517.9
Cost of Reimbursable Expense	38.9	72.8
Cost of Revenue	1,643.4	1,590.7
Gross profit	803.6	777.3
Selling, general and administrative expenses	419.4	414.3
Amortization of intangibles and other assets	47.6	44.3
Net restructuring and other special charges	3.9	19.2
Operating Income (Loss)	332.7	299.5
Other income (expenses):
Interest expense	(52.4)	(54.5)
Equity method income, net	2.3	1.4
Investment income	0.3	0.5
Other, net	(3.2)	6.7
Earnings before income taxes	279.7	253.6
Provision for income taxes	87.2	89.2
Net earnings	192.5	164.4
Less: Net earnings attributable to the noncontrolling interest	(0.3)	(0.3)
Net earnings attributable to Laboratory Corporation of America Holdings	$ 192.2	$ 164.1
Basic earnings per common share (in dollars per share)	$ 1.87	$ 1.61
Diluted earnings per common share (in dollars per share)	$ 1.84	$ 1.58