CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Investments
Fixed maturity securities, available for sale, at fair value (amortized cost, net 2021, $6,049.4; 2020, $5,788.6)	$ 6,555.0	$ 6,345.3
Equity securities at fair value	145.7	121.6
Limited partnership interests	585.7	449.0
Short-term and other investments	301.1	346.3
Total investments	7,587.5	7,262.2
Cash	29.4	22.3
Deferred policy acquisition costs	236.0	229.8
Deposit asset on reinsurance	2,456.8	2,420.9
Intangible assets	151.9	158.5
Goodwill	43.5	43.5
Other assets	428.3	443.2
Separate Account (variable annuity) assets	3,256.7	2,891.4
Total assets	14,190.1	13,471.8
Policy liabilities
Investment contract and policy reserves	6,526.9	6,445.3
Unpaid claims and claim expenses	433.6	438.8
Unearned premiums	251.2	264.5
Total policy liabilities	7,211.7	7,148.6
Other policyholder funds	1,023.1	751.3
Other liabilities	468.5	453.1
Short-term debt	135.0	135.0
Long-term debt	278.5	302.3
Separate Account (variable annuity) liabilities	3,256.7	2,891.4
Total liabilities	12,373.5	11,681.7
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, 2021, 66,432,547; 2020, 66,316,797	0.1	0.1
Additional paid-in capital	490.7	488.4
Retained earnings	1,494.4	1,434.6
Accumulated other comprehensive income (loss), net of tax:
Net unrealized investment gains on fixed maturity securities	332.2	366.3
Net funded status of benefit plans	(11.2)	(11.2)
Treasury stock, at cost, 2021, 24,942,264 shares; 2020, 24,902,579 shares	(489.6)	(488.1)
Total shareholders’ equity	1,816.6	1,790.1
Total liabilities and shareholders’ equity	$ 14,190.1	$ 13,471.8