CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows - operating activities
Net income (loss)	$ (2.6)	$ 142.8	$ 133.3
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net investment losses	56.5	11.0	2.3
Depreciation and intangible asset amortization	27.6	18.4	23.4
Share-based compensation expense	8.9	8.4	6.7
Loss (income) from EMA investments, net of dividends or distributions	18.2	(41.5)	(2.7)
Other expense - goodwill and intangible asset impairments	4.8	0.0	10.0
Changes in:
Insurance liabilities	440.5	46.9	69.9
Amounts due under reinsurance agreements	(348.2)	(1.5)	1.6
Income tax liabilities	(17.1)	8.5	8.3
Other operating assets and liabilities	(28.1)	8.9	(1.0)
Other, net	11.0	3.0	8.0
Net cash provided by operating activities	171.5	204.9	259.8
Fixed maturity securities
Purchases	(1,046.4)	(1,459.0)	(1,439.7)
Sales	752.0	578.2	472.9
Maturities, paydowns, calls and redemptions	496.8	873.3	640.3
Equity securities
Purchases	(5.2)	(46.1)	(37.4)
Sales and repayments	12.0	4.7	12.7
Limited partnership interests
Purchases	(356.4)	(320.6)	(98.6)
Sales	66.6	86.5	30.9
Change in short-term and other investments, net	30.4	(19.0)	12.1
Acquisition of business, net of cash acquired	(164.4)	0.0	0.0
Net cash used in investing activities	(214.6)	(302.0)	(406.8)
Cash flows - financing activities
Dividends paid to shareholders	(52.6)	(51.4)	(49.6)
Principal borrowings on Revolving Credit Facility	0.0	114.0	0.0
FHLB borrowings	0.0	5.0	4.0
Principal repayment on FHLB borrowings	5.0	54.0	0.0
Acquisition of treasury stock	(24.0)	(5.3)	(2.2)
Proceeds from exercise of stock options	0.0	0.3	2.4
Withholding tax payments on RSUs tendered	(2.4)	(2.0)	(2.3)
Annuity contracts: variable, fixed and FHLB funding agreements
Deposits	636.5	1,060.4	578.9
Benefits, withdrawals and net transfers to Separate Account variable annuity assets	(472.2)	(462.7)	(378.6)
Principal repayment on FHLB funding agreements	(149.0)	(362.0)	0.0
Principal repayment on FHLB funding agreements	(5.0)	(54.0)	0.0
Life policy accounts
Deposits	11.5	8.9	9.0
Withdrawals and surrenders	(3.7)	(3.8)	(3.9)
Change in deposit asset on reinsurance	(67.0)	(39.2)	(21.2)
Net increase in reverse repurchase agreements	70.2	0.0	0.0
Change in book overdrafts	9.9	0.3	7.3
Net cash provided by (used in) financing activities	(47.8)	208.5	143.8
Net increase (decrease) in cash	(90.9)	111.4	(3.2)
Cash at beginning of year	133.7	22.3	25.5
Cash at end of year	$ 42.8	$ 133.7	$ 22.3