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v3.24.0.1

Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2023
Segment Reporting [Abstract] |
Summary of Financial Information for these Segments | Summarized financial information for these segments is as follows (2022 and 2021 recast for the adoption of LDTI):
($ in millions) |  | December 31,
|  | 2023 |  | 2022 |  | 2021
Net premiums and contract charges earned |  |  |  |  |  |
Property & Casualty |  | $ | 645.6 |  |  | $ | 608.2 |  |  | $ | 617.4 |
Life & Retirement |  | 151.7 |  |  | 144.0 |  |  | 143.4 |
Supplemental & Group Benefits(1) |  | 259.8 |  |  | 275.5 |  |  | 128.0 |
Total |  | $ | 1,057.1 |  |  | $ | 1,027.7 |  |  | $ | 888.8 |
Net investment income |  |  |  |  |  |
Property & Casualty |  | $ | 37.9 |  |  | $ | 31.4 |  |  | $ | 61.1 |
Life & Retirement |  | 369.9 |  |  | 338.3 |  |  | 338.6 |
Supplemental & Group Benefits(1) |  | 38.9 |  |  | 33.3 |  |  | 25.2 |
Corporate & Other |  | 0.3 |  |  | — |  |  | (0.1) |
Intersegment eliminations |  | (2.2) |  |  | (2.1) |  |  | (2.3) |
Total |  | $ | 444.8 |  |  | $ | 400.9 |  |  | $ | 422.5 |
Net income (loss) |  |  |  |  |  |
Property & Casualty |  | $ | (35.5) |  |  | $ | (44.4) |  |  | $ | 57.0 |
Life & Retirement |  | 71.5 |  |  | 63.8 |  |  | 89.1 |
Supplemental & Group Benefits(1) |  | 54.9 |  |  | 65.9 |  |  | 52.9 |
Corporate & Other |  | (45.9) |  |  | (65.5) |  |  | (28.6) |
Total |  | $ | 45.0 |  |  | $ | 19.8 |  |  | $ | 170.4 |
Summary of Additional Significant Financial Information for these Segments |
($ in millions) |  | December 31,
|  | 2023 |  | 2022 |  | 2021
Assets |  |  |  |  |  |
Property & Casualty |  | $ | 1,218.1 |  |  | $ | 1,083.8 |  |  | $ | 1,243.4 |
Life & Retirement |  | 11,365.0 |  |  | 10,754.4 |  |  | 12,144.2 |
Supplemental & Group Benefits(1) |  | 1,338.8 |  |  | 1,359.3 |  |  | 855.6 |
Corporate & Other |  | 190.4 |  |  | 173.4 |  |  | 281.8 |
Intersegment eliminations |  | (62.4) |  |  | (64.8) |  |  | (64.8) |
Total |  | $ | 14,049.9 |  |  | $ | 13,306.1 |  |  | $ | 14,460.2 |
Additional significant financial information for these segments is as follows (2022 and 2021 recast for the adoption of LDTI):
($ in millions) |  | Years Ended December 31,
|  | 2023 |  | 2022 |  | 2021
DAC amortization expense |  |  |  |  |  |
Property & Casualty |  | $ | 71.3 |  |  | $ | 64.3 |  |  | $ | 67.7 |
Life & Retirement |  | 28.0 |  |  | 23.0 |  |  | 22.0 |
Supplemental & Group Benefits(1) |  | 1.9 |  |  | 0.9 |  |  | 0.9 |
Total |  | $ | 101.2 |  |  | $ | 88.2 |  |  | $ | 90.6 |
Income tax expense (benefit) |  |  |  |  |  |
Property & Casualty |  | $ | (9.8) |  |  | $ | (13.8) |  |  | $ | 13.2 |
Life & Retirement |  | 15.1 |  |  | 10.6 |  |  | 19.3 |
Supplemental & Group Benefits(1) |  | 14.8 |  |  | 18.1 |  |  | 14.5 |
Corporate & Other |  | (11.8) |  |  | (18.2) |  |  | (7.3) |
Total |  | $ | 8.3 |  |  | $ | (3.3) |  |  | $ | 39.7 |
(1) Group Benefits was acquired effective January 1, 2022 and thus, comparison to amounts for the year ended December 31, 2021 is not meaningful.

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- Definition Tabular disclosure of reconciliation of other items from reportable segments to their consolidated amount. Excludes reconciliation of revenue, profit (loss), and assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 + Details
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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 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 2: 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 3: 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 4: 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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