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v3.26.1

Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($) $ in Millions | Mar. 31, 2026 | Dec. 31, 2025
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Statement of Financial Position [Abstract] |  |
Fixed maturity securities, allowances for credit losses | $ 2.8 | $ 1.9
Fixed maturity securities available for sale, amortized cost | 8,956.7 | 8,635.3
Commercial mortgage loans on real estate, allowances for expected credit losses | 6.3 | 6.7
Premiums and accounts receivable, allowances for expected credit losses | 12.4 | 10.4
Reinsurance recoverables, allowances for expected credit losses | 5.2 | 5.2
Other assets, allowances for expected credit losses | 0.9 | 0.9
Accounts payable and other liabilities, allowances for credit losses | $ 0.7 | $ 0.9
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 800,000,000 | 800,000,000
Common stock, shares, issued (in shares) | 51,967,256 | 52,089,008
Common stock, shares outstanding (in shares) | 49,671,167 | 49,792,919
Treasury stock, at cost (in shares) | 2,296,089 | 2,296,089

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