Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2019	Dec. 31, 2018
Available for sale:
Fixed maturity securities (at fair value) (amortized cost: $8,537.3 and $8,285.0)		$ 8,796.5	$ 8,182.8
Short-term investments (at fair value which approximates cost)		484.3	354.9
Total		9,280.9	8,537.8
Held-to-maturity
Fixed maturity securities (at amortized cost) (fair value: $1,058.2 and $1,034.5)		1,021.7	1,044.8
Equity securities (at fair value) (cost: $3,089.1 and $3,039.1)		4,030.5	3,380.9
Other investments		26.0	31.0
Total investments		14,359.2	12,994.6
Other Assets:
Cash		78.8	100.3
Accrued investment income		89.3	92.4
Accounts and notes receivable		1,466.7	1,499.4
Federal income tax recoverable: Current		5.7	16.8
Prepaid Taxes		0.0	129.8
Reinsurance balances and funds held		178.4	166.2
Reinsurance recoverable: Paid losses		68.5	55.9
Reinsurance recoverable: Policy and claim reserves		3,755.3	3,428.6
Deferred policy acquisition costs		325.4	316.3
Sundry assets		748.5	526.3
Total Other Assets		6,717.1	6,332.4
Total Assets		21,076.3	19,327.1
Liabilities:
Losses, claims, and settlement expenses		9,929.5	9,471.2
Unearned premiums		2,224.7	2,104.9
Other policyholders' benefits and funds		194.4	198.6
Total policy liabilities and accruals		12,348.7	11,774.8
Commissions, expenses, fees, and taxes		550.9	525.4
Reinsurance balances and funds		616.0	600.4
Deferred Tax Liabilities, Net		112.2	10.3
Debt		974.0	981.4
Sundry liabilities		474.1	288.3
Commitments and contingent liabilities
Total Liabilities		15,076.1	14,180.8
Preferred Stock	[1]	0.0	0.0
Common Shareholders' Equity:
Common stock		303.6	302.7
Additional paid-in capital		1,297.5	1,277.6
Retained earnings		4,386.0	3,849.8
Accumulated other comprehensive income (loss)		77.7	(210.0)
Unallocated ESSOP shares (at cost)		(64.8)	(73.9)
Total Common Shareholders' Equity		6,000.1	5,146.2
Total Liabilities, Preferred Stock and Common Shareholders' Equity		$ 21,076.3	$ 19,327.1

[1] At December 31, 2019 and 2018, 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 303,652,553 and 302,714,502 were issued as of December 31, 2019 and 2018, respectively. At December 31, 2019 and 2018, there were 100,000,000 shares of Class B Common Stock, $1.00 par value, authorized, of which no shares were issued.