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PREFERRED STOCK AND COMMON SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2025
Stockholders' Equity Note [Abstract] |
Changes in common shares issued and held in treasury | The changes in the Company’s shares of Common Stock issued and outstanding are summarized below:
| Year Ended December 31,
| 2025 |  | 2024 |  | 2023
Beginning balance | 83.4 |  |  | 83.9 |  |  | 88.2 |
Shares issued under employee stock plans | 0.6 |  |  | 0.6 |  |  | 0.5 |
Shares repurchased | (1.8) |  |  | (1.1) |  |  | (4.8) |
Ending balance | 82.2 |  |  | 83.4 |  |  | 83.9 |
Schedule of Accumulated Other Comprehensive Income (Loss) | The components of Accumulated other comprehensive loss were as follows:
| Foreign Currency Translation Adjustments |  | Net Benefit Plan Adjustments |  | Accumulated Other Comprehensive Loss
Balance at December 31, 2022 | $ | (462.3) |  |  | $ | (30.9) |  |  | $ | (493.2) |
Fortrea Holdings Inc. spin-off | 231.6 |  |  | 6.4 |  |  | 238.0 |
Current year adjustments | 183.1 |  |  | 30.1 |  |  | 213.2 |
Pension settlement charge | — |  |  | (10.9) |  |  | (10.9) |
Amounts reclassified from accumulated other comprehensive earnings (1) | — |  |  | (4.6) |  |  | (4.6) |
Tax effect of adjustments | — |  |  | (1.8) |  |  | (1.8) |
Balance at December 31, 2023 | $ | (47.6) |  |  | $ | (11.7) |  |  | $ | (59.3) |
Current year adjustments | (217.1) |  |  | (2.6) |  |  | (219.7) |
Amounts reclassified from Accumulated other comprehensive earnings (1) | — |  |  | 23.3 |  |  | 23.3 |
Tax effect of adjustments | — |  |  | (5.9) |  |  | (5.9) |
Balance at December 31, 2024 | $ | (264.7) |  |  | $ | 3.1 |  |  | $ | (261.6) |
Current year adjustments | 231.7 |  |  | 16.2 |  |  | 247.9 |
Pension settlement charge | — |  |  | (11.1) |  |  | (11.1) |
Amounts reclassified from Accumulated other comprehensive earnings (1) | — |  |  | (1.9) |  |  | (1.9) |
Tax effect of adjustments | — |  |  | (0.9) |  |  | (0.9) |
Balance at December 31, 2025 | $ | (33.0) |  |  | $ | 5.4 |  |  | $ | (27.6) |
(1) The amortization of prior service cost is included in the computation of net periodic benefit cost.

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