CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net restructuring and other special charges	$ 7.5	$ 10.0	$ 30.8	$ 45.0
Operating Income (Loss)	252.3	374.0	848.4	1,408.0
Interest Expense	50.3	46.3	150.8	130.7
Equity method income, net	(0.3)	1.7	(1.5)	6.5
Investment income	15.9	3.7	22.6	6.2
Other, net	21.1	(17.6)	(2.7)	(62.8)
Earnings before income taxes	238.7	315.5	716.0	1,227.2
Provision for income taxes	55.1	38.2	168.8	260.8
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	183.6	277.3	547.2	966.4
Net earnings	183.6	353.2	586.0	1,204.2
Net Income (Loss) Attributable to Noncontrolling Interest	0.3	0.4	0.9	1.2
Net Income (Loss) Attributable to Parent	$ 183.3	$ 352.8	$ 585.1	$ 1,203.0
Income (Loss) from Continuing Operations, Per Basic Share	$ 2.12	$ 3.07	$ 6.22	$ 10.50
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0	0.84	0.44	2.59
Basic earnings per common share (in dollars per share)	2.12	3.91	6.66	13.09
Diluted earnings per common share (in dollars per share)	$ 2.11	$ 3.90	$ 6.63	$ 13.02
Revenues	$ 3,056.8	$ 2,866.8	$ 9,128.3	$ 8,934.2
Cost of Revenue	2,205.6	1,980.6	6,584.8	6,023.4
Gross Profit	851.2	886.2	2,543.5	2,910.8
Selling, general and administrative expenses	525.5	453.2	1,488.5	1,307.6
Amortization of intangibles and other assets	55.7	49.0	160.6	149.0
Asset Impairment Charges	10.2	0.0	15.2	1.2
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 0.0	$ 75.9	$ 38.8	$ 237.8
Income (Loss) from Continuing Operations, Per Diluted Share	$ 2.11	$ 3.06	$ 6.19	$ 10.45
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	$ 0	$ 0.84	$ 0.44	$ 2.57
Revenues	$ 3,056.8	$ 2,866.8	$ 9,128.3	$ 8,934.2
Cost of Revenue	2,205.6	1,980.6	6,584.8	6,023.4
Gross Profit	851.2	886.2	2,543.5	2,910.8
Selling, general and administrative expenses	525.5	453.2	1,488.5	1,307.6
Amortization of intangibles and other assets	55.7	49.0	160.6	149.0
Asset Impairment Charges	10.2	0.0	15.2	1.2
Net restructuring and other special charges	7.5	10.0	30.8	45.0
Operating Income (Loss)	252.3	374.0	848.4	1,408.0
Earnings before income taxes	238.7	315.5	716.0	1,227.2
Provision for income taxes	55.1	38.2	168.8	260.8
Net earnings	183.6	353.2	586.0	1,204.2
Less: Net earnings attributable to the noncontrolling interest	(0.3)	(0.4)	(0.9)	(1.2)
Net earnings attributable to Laboratory Corporation of America Holdings	$ 183.3	$ 352.8	$ 585.1	$ 1,203.0
Basic earnings per common share (in dollars per share)	$ 2.12	$ 3.91	$ 6.66	$ 13.09
Diluted earnings per common share (in dollars per share)	$ 2.11	$ 3.90	$ 6.63	$ 13.02