CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows - operating activities
Net income (loss)	$ 64.6	$ 5.5
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net investment gains (losses)	(0.1)	29.8
Depreciation and intangible asset amortization	19.4	19.5
Share-based compensation expense	7.3	7.1
Loss (gain) from equity method investments, net of dividends or distributions	12.9	9.0
Changes in:
Insurance liabilities	121.6	122.3
Amounts due under reinsurance agreements	41.9	26.9
Income tax liabilities	(4.4)	8.1
Other operating assets and liabilities	7.5	(28.1)
Contributions to defined benefits plan	(1.2)	0.0
Other, net	(10.9)	(0.9)
Net cash provided by operating activities	258.6	199.2
Cash flows - investing activities
Fixed maturity securities purchases	(841.6)	(462.3)
Fixed maturity securities sales	202.3	341.4
Fixed maturity securities maturities, paydowns, calls and redemptions	420.0	213.9
Equity securities purchases	(3.6)	(2.4)
Equity securities sales and repayments	0.0	16.6
Limited partnership interests purchases	(55.4)	(183.2)
Limited partnership interests sales	94.2	15.1
Change in short-term and other investments, net	46.4	(24.7)
Other-net	6.3	0.0
Net cash used in investing activities	(131.4)	(85.6)
Cash flows - financing activities
Dividends paid to shareholders	(41.7)	(40.4)
Proceeds from issuance of 2023 Senior Notes due 2028	0.0	297.7
Principal repayment on Revolving Credit Facility	0.0	(249.0)
Treasury stock acquired	(8.6)	(6.5)
Proceeds from exercise of stock options	1.1	0.0
Withholding tax payments on RSUs tendered	(1.7)	(1.8)
Annuity contracts: variable, fixed and FHLB funding agreements:
Deposits	550.0	571.8
Benefits, withdrawals and net transfers to Separate Account variable annuity assets	(465.5)	(464.3)
Repayment of FHLB funding agreements	(170.0)	(89.5)
Life policy accounts deposits, withdrawals, and surrenders	7.7	6.2
Change in deposit asset on reinsurance	(35.7)	(78.6)
Net increase (decrease) in reverse repurchase agreements	45.0	(70.0)
Change in book overdrafts	2.3	2.5
Net cash used in financing activities	(117.1)	(121.9)
Net decrease in cash	10.1	(8.3)
Cash at beginning of period	29.7	42.8
Cash at end of period	$ 39.8	$ 34.5