Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Assets
Fixed maturities, at fair value (amortized cost of $6,245.9 and $5,657.1)	$ 6,161.5	$ 5,749.3
Equity securities, at fair value	464.4	576.2
Other investments	661.5	562.7
Total investments	7,287.4	6,888.2
Cash and cash equivalents	1,020.7	297.9
Accrued investment income	53.2	48.2
Premiums and accounts receivable, net	1,176.7	1,095.7
Reinsurance recoverable on paid and unpaid losses and unearned premiums	1,648.6	1,625.5
Deferred acquisition costs	450.8	430.0
Deferred income taxes	50.6	17.0
Goodwill	178.8	178.8
Other assets	371.6	333.7
Assets held-for-sale	57.4	4,466.6
Total assets	12,399.7	15,469.6
Liabilities
Loss and loss adjustment expense reserves	5,304.1	5,058.5
Unearned premiums	2,277.8	2,131.7
Expenses and taxes payable	909.8	620.7
Reinsurance premiums payable	37.3	51.5
Debt	777.9	786.9
Liabilities held-for-sale	22.2	3,707.2
Total liabilities	9,445.0	12,471.9
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	1,871.8	1,857.0
Accumulated other comprehensive income (loss)	(116.5)	107.6
Retained earnings	2,182.3	1,975.0
Treasury stock at cost (18.2 and 18.0 million shares)	(983.5)	(942.5)
Total shareholders’ equity	2,954.7	2,997.7
Total liabilities and shareholders’ equity	12,399.7	15,469.6
Discontinued Operations, Disposed of by Sale [Member]
Assets
Assets held-for-sale	103.9	88.0
Chaucer [Member] | Discontinued Operations, Disposed of by Sale [Member]
Assets
Assets held-for-sale	57.4	4,466.6
Liabilities
Liabilities held-for-sale	22.2	3,707.2
Life [Member] | Discontinued Operations, Disposed of by Sale [Member]
Assets
Assets held-for-sale	103.9	88.0
Liabilities
Liabilities held-for-sale	$ 115.9	$ 115.4