Consolidated Balance Sheets - USD ($) $ in Millions		Jun. 30, 2016	Dec. 31, 2015
Available for sale:
Fixed maturity securities (at fair value) (amortized cost: $8,011.7 and $8,149.4)		$ 8,335.5	$ 8,181.5
Equity securities (at fair value) (cost: $1,925.8 and $1,826.4)		2,333.4	1,987.8
Short-term investments (at fair value which approximates cost)		550.6	669.4
Miscellaneous investments		27.5	27.2
Total		11,247.2	10,866.1
Held to maturity
Fixed maturity securities (at amortized cost) (fair value: $652.8 and $359.7)		629.2	355.8
Other investments		3.0	3.5
Total investments		11,879.4	11,225.5
Other Assets:
Cash		168.7	159.8
Securities and indebtedness of related parties		25.4	27.7
Accrued investment income		90.4	90.1
Accounts and notes receivable		1,519.1	1,310.2
Federal income tax recoverable: Current		34.3	26.5
Federal income tax recoverable: Deferred		0.0	154.5
Prepaid federal income taxes		82.4	63.3
Reinsurance balances and funds held		128.1	129.0
Reinsurance recoverable: Paid losses		65.9	61.1
Reinsurance recoverable: Policy and claim reserves		3,262.3	3,122.5
Deferred policy acquisition costs		262.4	255.4
Sundry assets		472.1	475.6
Total Other Assets		6,111.7	5,876.1
Total Assets		17,991.2	17,101.6
Liabilities, Preferred Stock, and Common Shareholders' Equity Liabilities:
Losses, claims, and settlement expenses		9,126.6	9,120.1
Unearned premiums		1,918.2	1,748.7
Other policyholders' benefits and funds		194.4	196.4
Total policy liabilities and accruals		11,239.3	11,065.3
Commissions, expenses, fees, and taxes		435.6	452.3
Reinsurance balances and funds		642.4	496.1
Deferred Income Tax Liabilities, Net		48.6	0.0
Debt		982.9	952.8
Sundry liabilities		264.1	253.9
Commitments and contingent liabilities
Total Liabilities		13,613.1	13,220.7
Preferred Stock	[1]	0.0	0.0
Common Shareholders' Equity:
Common stock	[1]	262.4	261.9
Additional paid-in capital		706.2	698.0
Retained earnings		3,064.8	2,937.5
Accumulated other comprehensive income		387.0	29.2
Unallocated ESSOP shares (at cost)		(42.5)	(45.8)
Total Common Shareholders' Equity		4,378.0	3,880.8
Total Liabilities, Preferred Stock and Common Shareholders' Equity		$ 17,991.2	$ 17,101.6

[1] At June 30, 2016 and December 31, 2015, there were 75,000,000 shares of $0.01 par value preferred stock authorized, of which no shares were outstanding. As of the same dates, there were 500,000,000 shares of common stock, $1.00 par value, authorized, of which 262,445,592 and 261,968,328 were issued as of June 30, 2016 and December 31, 2015, respectively. At June 30, 2016 and December 31, 2015, there were 100,000,000 shares of Class B Common Stock, $1.00 par value, authorized, of which no shares were issued.