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v3.26.1

Retirement and Other Employee Benefits (Tables) | 3 Months Ended
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Mar. 31, 2026
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
Schedule of Net Periodic Benefit Cost | The following table presents the components of net periodic benefit cost for the Pension Benefits and Plan Benefits for the three months ended March 31, 2026 and 2025:
| Qualified Pension Benefits |  | Unfunded Non-qualified Pension Benefits |  | Plan Benefits
| For the Three Months Ended March 31, |  | For the Three Months Ended March 31, |  | For the Three Months Ended March 31,
| 2026 |  | 2025 |  | 2026 |  | 2025 |  | 2026 |  | 2025
Interest cost | $ | 5.6 |  |  | $ | 6.3 |  |  | $ | 0.5 |  |  | $ | 0.6 |  |  | $ | — |  |  | $ | — |
Expected return on plan assets | (9.0) |  |  | (9.7) |  |  | — |  |  | — |  |  | — |  |  | — |
Amortization of net loss | 0.4 |  |  | — |  |  | 0.3 |  |  | 0.3 |  |  | — |  |  | — |
Settlement loss | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2.5 |
Net periodic benefit cost | $ | (3.0) |  |  | $ | (3.4) |  |  | $ | 0.8 |  |  | $ | 0.9 |  |  | $ | — |  |  | $ | 2.5 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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