Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2020	Dec. 31, 2019
Available for sale:
Fixed maturity securities (at fair value) (amortized cost: $9,897.6 and $8,537.3)		$ 10,496.8	$ 8,796.5
Short-term investments (at fair value which approximates cost)		749.6	484.3
Total		11,246.4	9,280.9
Held-to-maturity
Fixed maturity securities (at amortized cost) (fair value: $- and $1,058.2)		0.0	1,021.7
Equity securities (at fair value) (cost: $3,269.7 and $3,089.1)		4,054.8	4,030.5
Other investments		28.8	26.0
Total investments		15,330.1	14,359.2
Other Assets:
Cash		118.7	78.8
Accrued investment income		86.4	89.3
Accounts and notes receivable		1,593.9	1,466.7
Federal income tax recoverable: Current		0.0	5.7
Reinsurance balances and funds held		205.0	178.4
Reinsurance recoverable: Paid losses		67.6	68.5
Reinsurance recoverable: Policy and claim reserves		4,295.1	3,755.3
Deferred policy acquisition costs		328.0	325.4
Sundry assets		790.0	748.5
Total Other Assets		7,485.0	6,717.1
Total Assets		22,815.2	21,076.3
Liabilities:
Losses, claims, and settlement expenses		10,671.0	9,929.5
Unearned premiums		2,397.1	2,224.7
Other policyholders' benefits and funds		195.9	194.4
Total policy liabilities and accruals		13,264.2	12,348.7
Commissions, expenses, fees, and taxes		663.5	550.9
Reinsurance balances and funds		725.4	616.0
Taxes Payable, Current		4.2	0.0
Deferred Tax Liabilities, Net		137.3	112.2
Debt		966.4	974.0
Sundry liabilities		867.3	474.1
Commitments and contingent liabilities
Total Liabilities		16,628.5	15,076.1
Preferred Stock	[1]	0.0	0.0
Common Shareholders' Equity:
Common stock		304.1	303.6
Additional paid-in capital		1,306.9	1,297.5
Retained earnings		4,394.8	4,386.0
Accumulated other comprehensive income (loss)		284.0	77.7
Unallocated ESSOP shares (at cost)		(103.2)	(64.8)
Total Common Shareholders' Equity		6,186.6	6,000.1
Total Liabilities, Preferred Stock and Common Shareholders' Equity		$ 22,815.2	$ 21,076.3

[1] At December 31, 2020 and 2019, 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 304,122,180 and 303,652,553 were issued as of December 31, 2020 and 2019, respectively. At December 31, 2020 and 2019, there were 100,000,000 shares of Class B Common Stock, $1.00 par value, authorized, of which no shares were issued.