Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Assets
Fixed maturities, at fair value (amortized cost of $7,100.4 and $6,934.0)	$ 7,400.2	$ 6,983.4
Equity securities, at fair value (cost of $533.6 and $528.5)	612.5	576.6
Other investments	483.4	393.4
Total investments	8,496.1	7,953.4
Cash and cash equivalents	315.9	338.8
Accrued investment income	62.5	62.9
Premiums and accounts receivable, net	1,534.9	1,391.7
Reinsurance recoverable on paid and unpaid losses and unearned premiums	2,655.1	2,635.0
Deferred acquisition costs	537.4	508.8
Deferred income taxes	16.2	137.9
Goodwill	185.1	186.0
Other assets	476.5	483.7
Assets of discontinued operations	84.0	83.0
Total assets	14,363.7	13,781.2
Liabilities
Loss and loss adjustment expense reserves	6,802.3	6,574.4
Unearned premiums	2,684.8	2,540.8
Expenses and taxes payable	662.3	724.9
Reinsurance premiums payable	283.7	205.2
Debt	797.9	803.1
Liabilities of discontinued operations	87.0	88.4
Total liabilities	11,318.0	10,936.8
Commitments and contingencies
Shareholders' Equity
Preferred stock, par value $0.01 per share; 20.0 million shares authorized; none issued
Common stock, par value $0.01 per share; 300.0 million shares authorized; 60.5 million shares issued	0.6	0.6
Additional paid-in capital	1,838.9	1,833.5
Accumulated other comprehensive income	227.0	53.9
Retained earnings	1,910.4	1,803.5
Treasury stock at cost (18.2 and 17.5 million shares)	(931.2)	(847.1)
Total shareholders' equity	3,045.7	2,844.4
Total liabilities and shareholders' equity	$ 14,363.7	$ 13,781.2