CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net restructuring and other special charges	$ 15.8	$ 31.5	$ 23.3	$ 35.0
Operating Income (Loss)	266.3	428.8	596.1	1,034.0
Interest Expense	49.8	42.3	100.5	84.4
Equity method income, net	0.9	1.4	(1.2)	4.8
Investment income	4.5	1.7	6.7	2.5
Other, net	(16.9)	(29.5)	(23.8)	(45.2)
Earnings before income taxes	205.0	360.1	477.3	911.7
Provision for income taxes	49.8	92.1	113.7	222.6
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	155.2	268.0	363.6	689.1
Net earnings	189.1	358.9	402.4	851.0
Net Income (Loss) Attributable to Noncontrolling Interest	0.2	0.3	0.6	0.8
Net Income (Loss) Attributable to Parent	$ 188.9	$ 358.6	$ 401.8	$ 850.2
Income (Loss) from Continuing Operations, Per Basic Share	$ 1.75	$ 2.90	$ 4.10	$ 7.43
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0.38	0.99	0.43	1.74
Basic earnings per common share (in dollars per share)	2.13	3.89	4.53	9.17
Diluted earnings per common share (in dollars per share)	$ 2.12	$ 3.87	$ 4.51	$ 9.11
Revenues	$ 3,033.7	$ 2,923.0	$ 6,071.5	$ 6,067.5
Cost of Revenue	2,191.5	1,980.5	4,379.2	4,042.9
Gross Profit	842.2	942.5	1,692.3	2,024.6
Selling, general and administrative expenses	505.8	432.4	963.0	854.4
Amortization of intangibles and other assets	51.5	49.8	104.9	100.0
Asset Impairment Charges	2.8	0.0	5.0	1.2
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 33.9	$ 90.9	$ 38.8	$ 161.9
Income (Loss) from Continuing Operations, Per Diluted Share	$ 1.74	$ 2.89	$ 4.08	$ 7.38
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	$ 0.38	$ 0.98	$ 0.43	$ 1.73
Revenues	$ 3,033.7	$ 2,923.0	$ 6,071.5	$ 6,067.5
Cost of Revenue	2,191.5	1,980.5	4,379.2	4,042.9
Gross Profit	842.2	942.5	1,692.3	2,024.6
Selling, general and administrative expenses	505.8	432.4	963.0	854.4
Amortization of intangibles and other assets	51.5	49.8	104.9	100.0
Asset Impairment Charges	2.8	0.0	5.0	1.2
Net restructuring and other special charges	15.8	31.5	23.3	35.0
Operating Income (Loss)	266.3	428.8	596.1	1,034.0
Other income (expenses):
Interest expense	(49.8)	(42.3)	(100.5)	(84.4)
Equity method income, net	0.9	1.4	(1.2)	4.8
Investment income	4.5	1.7	6.7	2.5
Other, net	(16.9)	(29.5)	(23.8)	(45.2)
Earnings before income taxes	205.0	360.1	477.3	911.7
Provision for income taxes	49.8	92.1	113.7	222.6
Net earnings	189.1	358.9	402.4	851.0
Less: Net earnings attributable to the noncontrolling interest	(0.2)	(0.3)	(0.6)	(0.8)
Net earnings attributable to Laboratory Corporation of America Holdings	$ 188.9	$ 358.6	$ 401.8	$ 850.2
Basic earnings per common share (in dollars per share)	$ 2.13	$ 3.89	$ 4.53	$ 9.17
Diluted earnings per common share (in dollars per share)	$ 2.12	$ 3.87	$ 4.51	$ 9.11