CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Investments
Fixed maturity securities, available for sale, at fair value (amortized cost, net 2023, $5,803.3; 2022, $5,756.9)	$ 5,350.0	$ 5,185.0
Equity securities at fair value	98.8	99.6
Limited partnership interests	1,045.4	983.7
Short-term and other investments	291.1	319.3
Total investments	6,785.3	6,587.6
Cash	27.4	42.8
Deferred policy acquisition costs	331.6	330.6
Reinsurance balances receivable	467.6	468.0
Deposit asset on reinsurance	2,518.0	2,516.6
Intangible assets	181.5	185.2
Goodwill	54.3	54.3
Other assets	333.5	328.7
Separate Account variable annuity assets	2,954.7	2,792.3
Total assets	13,653.9	13,306.1
Policy liabilities
Future policy benefit reserves	1,772.4	1,718.0
Policyholders' account balances	5,234.6	5,260.6
Unpaid claims and claim expenses	574.8	564.0
Unearned premiums	263.3	266.1
Total policy liabilities	7,845.1	7,808.7
Other policyholder funds	887.1	809.3
Other liabilities	329.8	299.5
Short-term debt	249.0	249.0
Long-term debt	249.0	249.0
Separate Account variable annuity liabilities	2,954.7	2,792.3
Total liabilities	12,514.7	12,207.8
Preferred stock, $0.001 par value, authorized 1,000,000 shares; none issued	0.0	0.0
Common stock, $0.001 par value, authorized 75,000,000 shares; issued, 2023, 66,710,189; 2022, 66,618,465	0.1	0.1
Additional paid-in capital	503.1	502.6
Retained earnings	1,505.2	1,512.4
Accumulated other comprehensive income (loss), net of tax:
Net unrealized investment losses on fixed maturity securities	(356.4)	(449.6)
Net reserve remeasurements attributable to discount rates	17.8	59.0
Net funded status of benefit plans	(8.8)	(8.8)
Treasury stock, at cost, 2023, 25,842,693 shares; 2022, 25,714,153 shares	(521.8)	(517.4)
Total shareholders’ equity	1,139.2	1,098.3
Total liabilities and shareholders’ equity	$ 13,653.9	$ 13,306.1