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SHAREHOLDERS' EQUITY (Tables) | 3 Months Ended
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Mar. 31, 2025
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Accumulated other comprehensive income (loss), included in shareholders' equity as of March 31, 2025 and December 31, 2024, is comprised of the following (dollars in millions):
| March 31, 2025 |  | December 31, 2024
Net unrealized losses on investments having no allowance for credit losses | $ | (861.1) |  |  | $ | (1,281.6) |
Unrealized losses on investments with an allowance for credit losses | (1,292.7) |  |  | (1,108.7) |
Change in discount rates for liability for future policy benefits | 555.7 |  |  | 624.5 |
Change in instrument-specific credit risk for market risk benefits | 3.1 |  |  | 1.4 |
Deferred income tax assets | 355.9 |  |  | 393.0 |
Accumulated other comprehensive loss | $ | (1,239.1) |  |  | $ | (1,371.4) |

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