CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Investments:
Fixed maturities, at fair value (amortized cost of $6,183.3 and $6,008.7)	$ 6,534.8	$ 6,284.7
Equity securities, at fair value (cost of $342.8 and $239.9)	367.5	246.4
Other investments	229.1	190.2
Total investments	7,131.4	6,721.3
Cash and cash equivalents	520.8	820.4
Accrued investment income	71.2	71.8
Premiums and accounts receivable, net	1,372.9	1,168.1
Reinsurance recoverable on paid and unpaid losses and unearned premiums	2,434.2	2,262.2
Deferred policy acquisition costs	495.9	458.6
Deferred income taxes	271.6	274.0
Goodwill	184.6	185.5
Other assets	513.9	515.5
Assets of discontinued operations	122.2	121.2
Total assets	13,118.7	12,598.6
LIABILITIES
Loss and loss adjustment expense reserves	5,853.4	5,760.3
Unearned premiums	2,529.2	2,292.1
Expenses and taxes payable	580.4	642.9
Reinsurance premiums payable	492.3	378.9
Debt	917.4	911.1
Liabilities of discontinued operations	128.5	129.3
Total liabilities	10,501.2	10,114.6
Commitments and contingencies
SHAREHOLDERS' EQUITY
Preferred stock, $0.01 par value, 20.0 million shares authorized, none issued
Common stock, $0.01 par value, 300.0 million shares authorized, $60.5 million shares issued	0.6	0.6
Additional paid-in capital	1,782.2	1,784.8
Accumulated other comprehensive income	303.1	210.4
Retained earnings	1,255.4	1,211.3
Treasury stock, at cost (16.0 and 15.9 million shares)	(723.8)	(723.1)
Total shareholders' equity	2,617.5	2,484.0
Total liabilities and shareholders' equity	$ 13,118.7	$ 12,598.6