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v3.26.1

Reserves - Roll Forward of Claims and Benefits Payable (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |  |
Claims and benefits payable, at beginning of period | $ 2,101.2 | $ 2,914.2
Less: Reinsurance ceded and other | (899.0) | (1,669.8)
Net claims and benefits payable, at beginning of period | 1,202.2 | 1,244.4
Incurred losses and loss adjustment expenses related to: |  |
Current year | 801.3 | 841.0
Prior years | (32.2) | (61.3)
Total incurred losses and loss adjustment expenses | 769.1 | 779.7
Paid losses and loss adjustment expenses related to: |  |
Current year | 309.9 | 350.2
Prior years | 394.3 | 389.7
Total paid losses and loss adjustment expenses | 704.2 | 739.9
Net claims and benefits payable, at end of period | 1,267.1 | 1,284.2
Plus: Reinsurance ceded and other | 901.5 | 1,285.9
Claims and benefits payable, at end of period | 2,168.6 | 2,570.1
Ceded to U.S. Government | Not Rated |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |
Reinsurance recoverables | $ 183.4 | $ 492.4

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- Definition The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 55 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477548/944-605-55-11 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-7 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 9E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-9E Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (cc) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(13)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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