v3.26.1
Consolidated Balance Sheets Consolidated Balance Sheets (Parentheticals) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Available for sale:    
Debt securities, available-for-sale, amortized cost $ 2,054.5 $ 2,031.8
Equity Securities, FV-NI, Cost 87.1 96.5
Other Investments and Securities, at Cost 77.4 79.4
Short-term Investments 21.7 10.1
Debt Securities, Available-for-sale, Allowance for Credit Loss 1.1 0.4
Accounts Receivable, Allowance for Credit Loss, Current 24.7 22.6
Reinsurance recoverables on unpaid losses, allowance $ 0.8 $ 0.8
Stockholders' equity    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 150,000,000 150,000,000
Common stock, shares issued (in shares) 58,352,888 58,276,637
Common stock, shares outstanding (in shares) 17,954,305 20,342,135
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 25,000,000 25,000,000
Preferred stock, shares issued (in shares) 0 0
Treasury stock, at cost (in shares) 40,398,583 37,934,502