CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Investments
Fixed maturity securities, available for sale, at fair value (amortized cost, net 2021, $6,045.6; 2020, $5,788.6)	$ 6,512.0	$ 6,345.3
Equity securities at fair value	152.3	121.6
Limited partnership interests	615.4	449.0
Short-term and other investments	251.6	346.3
Total investments	7,531.3	7,262.2
Cash	40.2	22.3
Deferred policy acquisition costs	244.7	229.8
Deposit asset on reinsurance	2,477.9	2,420.9
Intangible assets	148.7	158.5
Goodwill	43.5	43.5
Other assets	451.9	443.2
Separate Account (variable annuity) assets	3,326.8	2,891.4
Total assets	14,265.0	13,471.8
Policy liabilities
Investment contract and policy reserves	6,569.0	6,445.3
Unpaid claims and claim expenses	440.1	438.8
Unearned premiums	261.4	264.5
Total policy liabilities	7,270.5	7,148.6
Other policyholder funds	994.3	751.3
Other liabilities	488.4	453.1
Short-term debt	135.0	135.0
Long-term debt	253.6	302.3
Separate Account (variable annuity) liabilities	3,326.8	2,891.4
Total liabilities	12,468.6	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, 66,434,551; 2020, 66,316,797	0.1	0.1
Additional paid-in capital	492.9	488.4
Retained earnings	1,497.5	1,434.6
Accumulated other comprehensive income (loss), net of tax:
Net unrealized investment gains on fixed maturity securities	306.9	366.3
Net funded status of benefit plans	(11.2)	(11.2)
Treasury stock, at cost, 2021, 24,947,264 shares; 2020, 24,902,579 shares	(489.8)	(488.1)
Total shareholders’ equity	1,796.4	1,790.1
Total liabilities and shareholders’ equity	$ 14,265.0	$ 13,471.8