CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net earnings	$ 2,379.5	$ 1,557.0	$ 824.9
Foreign currency translation adjustments	(104.6)	264.1	104.4
Net benefit plan adjustments	91.7	(65.7)	(17.4)
Other comprehensive earnings (loss) before tax	(12.9)	198.4	87.0
Provision (benefit) for income tax related to items of comprehensive earnings	(17.1)	12.1	3.7
Other comprehensive earnings (loss), net of tax	(30.0)	210.5	90.7
Comprehensive earnings	2,349.5	1,767.5	915.6
Less: Net earnings attributable to the noncontrolling interest	(2.2)	(0.9)	(1.1)
Comprehensive earnings attributable to Laboratory Corporation of America Holdings	$ 2,347.3	$ 1,766.6	$ 914.5