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BUSINESS SEGMENT INFORMATION (Tables) | 6 Months Ended
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Jun. 30, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended June 30, 2025
Revenues: |  | Dx |  | BLS |  | Intercompany eliminations and other |  | LHI
Revenues |  | $ | 2,748.8 |  |  | $ | 784.8 |  |  | $ | (6.3) |  |  | $ | 3,527.3 |
Operating Earnings: |  |  |  |  |  |  |  |
Labor |  | 1,155.1 |  |  | 302.3 |  |  |  |  |
Supplies |  | 591.3 |  |  | 130.8 |  |  |  |  |
Shipping costs |  |  |  | 98.2 |  |  |  |  |
Depreciation |  | 65.4 |  |  | 29.0 |  |  |  |  |
Other operating expenses |  | 454.2 |  |  | 101.2 |  |  |  |  |
Segment operating income |  | $ | 482.8 |  |  | $ | 123.3 |  |  |  |  | $ | 606.1 |
General corporate and unallocated expenses |  |  |  |  |  |  |  | (139.2) |
Amortization of intangibles and other assets |  |  |  |  |  |  |  | (68.3) |
Restructuring and other charges |  |  |  |  |  |  |  | (4.1) |
Total Operating income |  |  |  |  |  |  |  | 394.5 |
Other (expense) income: |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  | (57.1) |
Investment income |  |  |  |  |  |  |  | 1.7 |
Equity method loss, net |  |  |  |  |  |  |  | (1.7) |
Other, net |  |  |  |  |  |  |  | (32.7) |
Earnings from operations before income taxes |  |  |  |  |  |  |  | $ | 304.7 |
|  | Three Months Ended June 30, 2024
Revenues: |  | Dx |  | BLS |  | Intercompany eliminations and other |  | LHI
Revenues |  | $ | 2,524.9 |  |  | $ | 707.0 |  |  | $ | (11.0) |  |  | $ | 3,220.9 |
Operating Earnings: |  |  |  |  |  |  |  |
Labor |  | 1,072.6 |  |  | 285.7 |  |  |  |  |
Supplies |  | 544.3 |  |  | 106.7 |  |  |  |  |
Shipping costs |  |  |  | 89.7 |  |  |  |  |
Depreciation |  | 63.1 |  |  | 30.3 |  |  |  |  |
Other operating expenses |  | 403.4 |  |  | 87.2 |  |  |  |  |
Segment operating income |  | $ | 441.5 |  |  | $ | 107.4 |  |  |  |  | $ | 548.9 |
General corporate and unallocated expenses |  |  |  |  |  |  |  | (180.3) |
Amortization of intangibles and other assets |  |  |  |  |  |  |  | (62.2) |
Restructuring and other charges |  |  |  |  |  |  |  | (11.6) |
Total Operating income |  |  |  |  |  |  |  | 294.8 |
Other (expense) income: |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  | (47.6) |
Investment income |  |  |  |  |  |  |  | 1.3 |
Equity method loss, net |  |  |  |  |  |  |  | (0.3) |
Other, net |  |  |  |  |  |  |  | 19.5 |
Earnings from operations before income taxes |  |  |  |  |  |  |  | $ | 267.7 |
|  | Six Months Ended June 30, 2025
Revenues: |  | Dx |  | BLS |  | Intercompany eliminations and other |  | LHI
Revenues |  | $ | 5,378.4 |  |  | $ | 1,506.1 |  |  | $ | (12.1) |  |  | $ | 6,872.4 |
Operating Earnings: |  |  |  |  |  |  |  |
Labor |  | 2,278.7 |  |  | 592.0 |  |  |  |  |
Supplies |  | 1,177.9 |  |  | 241.9 |  |  |  |  |
Shipping costs |  |  |  | 193.2 |  |  |  |  |
Depreciation |  | 127.1 |  |  | 57.6 |  |  |  |  |
Other operating expenses |  | 884.4 |  |  | 191.2 |  |  |  |  |
Segment operating income |  | $ | 910.3 |  |  | $ | 230.2 |  |  |  |  | $ | 1,140.5 |
General corporate and unallocated expenses |  |  |  |  |  |  |  | (271.6) |
Amortization of intangibles and other assets |  |  |  |  |  |  |  | (137.9) |
Restructuring and other charges |  |  |  |  |  |  |  | (10.5) |
Total Operating income |  |  |  |  |  |  |  | 720.5 |
Other (expense) income: |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  | (113.1) |
Investment income |  |  |  |  |  |  |  | 8.2 |
Equity method loss, net |  |  |  |  |  |  |  | (2.0) |
Other, net |  |  |  |  |  |  |  | (33.7) |
Earnings from operations before income taxes |  |  |  |  |  |  |  | $ | 579.9 |
|  | Six Months Ended June 30, 2024
Revenues: |  | Dx |  | BLS |  | Intercompany eliminations and other |  | LHI
Revenues |  | $ | 5,004.6 |  |  | $ | 1,417.9 |  |  | $ | (25.0) |  |  | $ | 6,397.5 |
Operating Earnings: |  |  |  |  |  |  |  |
Labor |  | 2,128.3 |  |  | 576.1 |  |  |  |  |
Supplies |  | 1,104.7 |  |  | 210.2 |  |  |  |  |
Shipping costs |  |  |  | 178.1 |  |  |  |  |
Depreciation |  | 124.8 |  |  | 61.5 |  |  |  |  |
Other operating expenses |  | 787.4 |  |  | 184.7 |  |  |  |  |
Segment operating income |  | $ | 859.4 |  |  | $ | 207.3 |  |  |  |  | $ | 1,066.7 |
General corporate and unallocated expenses |  |  |  |  |  |  |  | (309.2) |
Amortization of intangibles and other assets |  |  |  |  |  |  |  | (122.3) |
Restructuring and other charges |  |  |  |  |  |  |  | (16.6) |
Goodwill and other asset impairments |  |  |  |  |  |  |  | (2.5) |
Total Operating income |  |  |  |  |  |  |  | 616.1 |
Other (expense) income: |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  | (94.5) |
Investment income |  |  |  |  |  |  |  | 4.2 |
Equity method loss, net |  |  |  |  |  |  |  | (0.2) |
Other, net |  |  |  |  |  |  |  | 39.5 |
Earnings from operations before income taxes |  |  |  |  |  |  |  | $ | 565.1 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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