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v3.25.4

Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2025
Equity [Abstract] |
Changes in Other Comprehensive Income | The following table provides changes in other comprehensive income.
YEARS ENDED DECEMBER 31 |  | 2025 |  | 2024 |  | 2023 |
|  |  |  | Tax |  |  |  |  |  | Tax |  |  |  |  |  | Tax |  |  |
|  | Pre- |  | Benefit |  | Net of |  | Pre- |  | Benefit |  | Net of |  | Pre- |  | Benefit |  | Net of |
(in millions) |  | Tax |  | (Expense) |  | Tax |  | Tax |  | (Expense) |  | Tax |  | Tax |  | (Expense) |  | Tax |
Changes in net unrealized gains (losses) on investment securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized gains (losses) arising during period for those having no credit losses in Consolidated Statements of Income |  | $ | 302.2 |  | $ | (63.6 | ) | $ | 238.6 |  | $ | (14.3 | ) | $ | 3.1 |  | $ | (11.2 | ) | $ | 203.7 |  | $ | (42.7 | ) | $ | 161.0 |
Net unrealized gains arising during period for those having credit losses in Consolidated Statements of Income |  |  | 0.1 |  |  | - |  |  | 0.1 |  |  | 0.8 |  |  | (0.2 | ) |  | 0.6 |  |  | 3.7 |  |  | (0.7 | ) |  | 3.0 |
Amount of losses realized from sales and other recognized in Consolidated Statements of Income |  |  | 61.9 |  |  | (13.8 | ) |  | 48.1 |  |  | 88.4 |  |  | (19.8 | ) |  | 68.6 |  |  | 9.1 |  |  | (3.2 | ) |  | 5.9 |
Amount of credit-related (recoveries) impairments recognized in Consolidated Statements of Income |  |  | (0.3 | ) |  | 0.1 |  |  | (0.2 | ) |  | (0.5 | ) |  | 0.1 |  |  | (0.4 | ) |  | 0.8 |  |  | (0.2 | ) |  | 0.6 |
Amount of additional impairment losses recognized in Consolidated Statements of Income |  |  | 0.7 |  |  | (0.1 | ) |  | 0.6 |  |  | 2.2 |  |  | (0.5 | ) |  | 1.7 |  |  | 10.3 |  |  | (2.2 | ) |  | 8.1 |
Net unrealized gains |  |  | 364.6 |  |  | (77.4 | ) |  | 287.2 |  |  | 76.6 |  |  | (17.3 | ) |  | 59.3 |  |  | 227.6 |  |  | (49.0 | ) |  | 178.6 |
Pension and postretirement benefits: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net gains (losses) arising in the period from net actuarial gains (losses) |  |  | (5.5 | ) |  | 1.1 |  |  | (4.4 | ) |  | (7.3 | ) |  | 1.5 |  |  | (5.8 | ) |  | 3.9 |  |  | (0.8 | ) |  | 3.1 |
Amortization of net actuarial losses recognized as net periodic benefit cost |  |  | 6.7 |  |  | (1.4 | ) |  | 5.3 |  |  | 6.8 |  |  | (1.4 | ) |  | 5.4 |  |  | 7.9 |  |  | (1.7 | ) |  | 6.2 |
Total pension and postretirement benefits |  |  | 1.2 |  |  | (0.3 | ) |  | 0.9 |  |  | (0.5 | ) |  | 0.1 |  |  | (0.4 | ) |  | 11.8 |  |  | (2.5 | ) |  | 9.3 |
Long-duration insurance contracts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net change in market risk |  |  | (4.1 | ) |  | 0.9 |  |  | (3.2 | ) |  | 2.5 |  |  | (0.5 | ) |  | 2.0 |  |  | (4.6 | ) |  | 1.0 |  |  | (3.6 | )
Other comprehensive income |  | $ | 361.7 |  | $ | (76.8 | ) | $ | 284.9 |  | $ | 78.6 |  | $ | (17.7 | ) | $ | 60.9 |  | $ | 234.8 |  | $ | (50.5 | ) | $ | 184.3 |
Reclassifications Out of Accumulated Other Comprehensive Loss | Reclassifications out of accumulated other comprehensive loss were as follows:
YEARS ENDED DECEMBER 31 |  | 2025 |  |  | 2024 |  |  | 2023 |  |  |
(in millions) |  |  |  |  |  |  |  |  |  |  |
|  | Amount Reclassified from |  |  |
Details about Accumulated Other |  | Accumulated |  |  | Affected Line Item in the Statement
Comprehensive Loss Components |  | Other Comprehensive Loss |  |  | Where Net Income is Presented
Net unrealized losses on investment securities |  | $ | (61.6 | ) |  | $ | (88.0 | ) |  | $ | (9.1 | ) |  | Net realized losses from sales and other
|  |  | (0.2 | ) |  |  | (1.7 | ) |  |  | (11.1 | ) |  | Impairments on investments
|  |  | (61.8 | ) |  |  | (89.7 | ) |  |  | (20.2 | ) |  | Total before tax
|  |  | 13.7 |  |  |  | 20.1 |  |  |  | 5.6 |  |  | Income tax (expense) benefit
|  |  | (48.1 | ) |  |  | (69.6 | ) |  |  | (14.6 | ) |  | Income from continuing operations
|  |  | (0.4 | ) |  |  | (0.3 | ) |  |  | — |  |  | Income from discontinued life businesses
|  |  | (48.5 | ) |  |  | (69.9 | ) |  |  | (14.6 | ) |  | Net of tax
Amortization of defined benefit pension and postretirement actuarial losses |  |  | (6.7 | ) |  |  | (6.8 | ) |  |  | (7.9 | ) |  | Loss adjustment expenses and other operating expenses (1)
|  |  | 1.4 |  |  |  | 1.4 |  |  |  | 1.7 |  |  | Income tax (expense) benefit
|  |  | (5.3 | ) |  |  | (5.4 | ) |  |  | (6.2 | ) |  | Income from continuing operations
Net change in market risk |  |  | 1.4 |  |  |  | 0.6 |  |  |  | 1.6 |  |  | Income from discontinued life businesses
|  |  | (0.3 | ) |  |  | (0.1 | ) |  |  | (0.3 | ) |  | Income tax (expense) benefit
|  |  | 1.1 |  |  |  | 0.5 |  |  |  | 1.3 |  |  | Income from discontinued life businesses
Total reclassifications for the period |  | $ | (52.7 | ) |  | $ | (74.8 | ) |  | $ | (19.5 | ) |  | Net expense reflected in income, net of tax
(1) The amount reclassified from accumulated other comprehensive loss for the pension and postretirement benefits was allocated approximately 40% to loss adjustment expenses and 60% to other operating expenses for each of the years ended December 31, 2025, 2024 and 2023.

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