CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net earnings		$ 168.7	$ 141.7	$ 170.3	$ 255.2
Other Comprehensive Earnings, Net of Tax
Foreign currency translation adjustments		32.9	35.5	(130.6)	(0.5)
Net benefit plan adjustments	[1]			(0.8)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax		0.5	2.2	1.4	4.5
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax		0.0	(15.8)	(0.1)	(16.4)
Other comprehensive earnings (loss) before tax		33.4	21.9	(129.3)	(12.4)
Provision for income tax related to items of comprehensive earnings		7.1	8.9	(40.0)	(4.7)
Other comprehensive earnings (loss), net of tax		26.3	13.0	(89.3)	(7.7)
Comprehensive earnings		195.0	154.7	81.0	247.5
Less: Net earnings attributable to the noncontrolling interest		(0.3)	(0.4)	(0.6)	(0.8)
Comprehensive earnings attributable to Laboratory Corporation of America Holdings		$ 194.7	$ 154.3	$ 80.4	$ 246.7

[1] The amortization of prior service cost is included in the computation of net periodic benefit cost. See Note 10 (Pension and Post-retirement Plans) below for additional information regarding the Company's net periodic benefit cost.