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v3.26.1

FAIR VALUE MEASUREMENTS - RECURRING BASIS (Details) - USD ($) $ in Millions | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Other invested assets: |  |
Company-owned life insurance | $ 222.8 | $ 222.3
Cash and cash equivalents: |  |
Held by variable interest entities | 24.8 | 27.4
Total assets | 38,963.4 | 38,790.6
Liabilities, Fair Value Disclosure [Abstract] |  |
Total liabilities | 36,465.0 | 36,152.4
Key Employee |  |
Other invested assets: |  |
Company-owned life insurance | 201.8 | 198.6
Fair Value, Measurements, Recurring | Total estimated fair value |  |
Assets: |  |
Mortgage loans | 3,280.4 | 3,196.9
Policy loans | 141.8 | 140.9
Other invested assets: |  |
Company-owned life insurance | 424.6 | 420.9
Cash and cash equivalents: |  |
Unrestricted | 1,129.5 | 956.1
Held by variable interest entities | 24.8 | 27.4
Total assets | 5,001.1 | 4,742.2
Liabilities, Fair Value Disclosure [Abstract] |  |
Policyholder account balances | 17,433.1 | 17,312.0
Investment borrowings | 2,693.1 | 2,443.2
Borrowings related to variable interest entities | 275.7 | 277.1
Notes payable – direct corporate obligations | 1,334.9 | 1,365.7
Total liabilities | 21,736.8 | 21,398.0
Fair Value, Measurements, Recurring | Total carrying amount |  |
Assets: |  |
Mortgage loans | 3,347.8 | 3,256.8
Policy loans | 141.8 | 140.9
Other invested assets: |  |
Company-owned life insurance | 424.6 | 420.9
Cash and cash equivalents: |  |
Unrestricted | 1,129.5 | 956.1
Held by variable interest entities | 24.8 | 27.4
Total assets | 5,068.5 | 4,802.1
Liabilities, Fair Value Disclosure [Abstract] |  |
Policyholder account balances | 17,433.1 | 17,312.0
Investment borrowings | 2,691.7 | 2,441.7
Borrowings related to variable interest entities | 274.4 | 274.4
Notes payable – direct corporate obligations | 1,336.0 | 1,335.6
Total liabilities | 21,735.2 | 21,363.7
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets or liabilities (Level 1) |  |
Assets: |  |
Mortgage loans | 0.0 | 0.0
Policy loans | 0.0 | 0.0
Other invested assets: |  |
Company-owned life insurance | 0.0 | 0.0
Cash and cash equivalents: |  |
Unrestricted | 1,129.5 | 956.1
Held by variable interest entities | 24.8 | 27.4
Total assets | 1,154.3 | 983.5
Liabilities, Fair Value Disclosure [Abstract] |  |
Policyholder account balances | 0.0 | 0.0
Investment borrowings | 0.0 | 0.0
Borrowings related to variable interest entities | 0.0 | 0.0
Notes payable – direct corporate obligations | 0.0 | 0.0
Total liabilities | 0.0 | 0.0
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) |  |
Assets: |  |
Mortgage loans | 0.0 | 0.0
Policy loans | 0.0 | 0.0
Other invested assets: |  |
Company-owned life insurance | 424.6 | 420.9
Cash and cash equivalents: |  |
Unrestricted | 0.0 | 0.0
Held by variable interest entities | 0.0 | 0.0
Total assets | 424.6 | 420.9
Liabilities, Fair Value Disclosure [Abstract] |  |
Policyholder account balances | 0.0 | 0.0
Investment borrowings | 2,693.1 | 2,443.2
Borrowings related to variable interest entities | 275.7 | 277.1
Notes payable – direct corporate obligations | 0.0 | 1,365.7
Total liabilities | 2,968.8 | 4,086.0
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) |  |
Assets: |  |
Mortgage loans | 3,280.4 | 3,196.9
Policy loans | 141.8 | 140.9
Other invested assets: |  |
Company-owned life insurance | 0.0 | 0.0
Cash and cash equivalents: |  |
Unrestricted | 0.0 | 0.0
Held by variable interest entities | 0.0 | 0.0
Total assets | 3,422.2 | 3,337.8
Liabilities, Fair Value Disclosure [Abstract] |  |
Policyholder account balances | 17,433.1 | 17,312.0
Investment borrowings | 0.0 | 0.0
Borrowings related to variable interest entities | 0.0 | 0.0
Notes payable – direct corporate obligations | 1,334.9 | 0.0
Total liabilities | $ 18,768.0 | $ 17,312.0

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