CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue, Net	$ 2,295.2	$ 1,772.3
Net restructuring and other special charges	19.2	19.3
Provision for income taxes	95.5	29.1
Net earnings	160.5	3.4
Other Comprehensive Earnings, Net of Tax
Foreign currency translation adjustments	134.9	(290.7)
Net benefit plan adjustments	3.4
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax	3.4	0.9
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax	0.0	(0.1)
Other comprehensive earnings (loss) before tax	138.3	(289.9)
Tax effect of adjustments	(29.2)	47.1
Other comprehensive earnings (loss), net of tax	109.1	(242.8)
Comprehensive earnings	269.6	(239.4)
Less: Net earnings attributable to the noncontrolling interest	(0.3)	(0.3)
Comprehensive earnings attributable to Laboratory Corporation of America Holdings	$ 269.3	$ (239.7)