CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows - operating activities
Net income	$ 41.2	$ 38.2
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net investment (gains) losses	2.2	3.3
Depreciation and intangible asset amortization	6.7	7.0
Share-based compensation expense	2.2	2.6
Loss (gain) from equity method investments, net of dividends or distributions	(1.9)	(0.8)
Changes in:
Insurance liabilities	12.6	31.1
Amounts due under reinsurance agreements	(2.5)	11.9
Income tax liabilities	6.8	5.2
Other operating assets and liabilities	(1.4)	36.3
Contributions to defined benefit plan	0.0	(0.2)
Other, net	(4.6)	6.2
Net cash provided by operating activities	61.3	140.8
Cash flows - investing activities
Fixed maturity securities purchases	(329.0)	(252.0)
Fixed maturity securities sales	93.8	77.8
Fixed maturity securities maturities, paydowns, calls and redemptions	117.0	161.3
Equity securities purchases	(5.7)	(0.4)
Limited partnership interests purchases	(6.4)	(12.6)
Limited partnership interests sales	23.7	9.2
Change in short-term and other investments, net	124.7	(22.2)
Other, net	(1.9)	3.8
Net cash provided by (used in) investing activities	16.2	(35.1)
Cash flows - financing activities
Dividends paid to shareholders	(14.6)	(14.3)
Treasury stock acquired	(18.3)	(0.2)
Proceeds from exercise of stock options	0.5	0.0
Withholding tax payments on RSUs tendered	(3.1)	(2.0)
Annuity contracts: variable, fixed and FHLB funding agreements:
Deposits	649.0	403.3
Benefits, withdrawals and net transfers to Separate Account variable annuity assets	(140.3)	(162.0)
Repayment of FHLB funding agreements	(532.0)	(287.0)
Life policy accounts deposits, withdrawals, and surrenders	5.1	4.8
Change in deposit asset on reinsurance	(31.0)	(37.4)
Net increase (decrease) in reverse repurchase agreements	0.0	(12.0)
Change in book overdrafts	0.6	(6.7)
Net cash used in financing activities	(84.1)	(113.5)
Net decrease in cash	(6.6)	(7.8)
Cash at beginning of period	27.5	38.1
Cash at end of period	$ 20.9	$ 30.3