Condensed Consolidated Statements of Cash Flows (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating Activities:
Net Income	$ 58.3	$ 121.7
Adjustments to Reconcile Net Income to Net Cash Provided (Used) by Operating Activities:
Increase in Deferred Policy Acquisition Costs	(14.3)	(7.0)
Equity in Net Income of Investee before Taxes	0	0.2
Equity in Earnings of Equity Method Limited Liability Investments	(7.2)	(33.1)
Amortization of Investment Securities and Depreciation of Investment Real Estate	12.2	14.1
Net Realized Gains on Sales of Investments	(28.2)	(14.6)
Net Impairment Losses Recognized in Earnings	6.7	12.7
Gain on Sale of Porfolio of Automobile Loan Receivable	(4.5)	0
Provision for Loan Losses	(34.1)	(3.7)
Depreciation of Property and Equipment	10.4	10.0
Write-off of Goodwill	0	14.8
Decrease in Other Receivables	(2.8)	12.3
Increase (Decrease) in Insurance Reserves	(25.6)	(48.3)
Decrease in Unearned Premiums	8.5	(21.1)
Change in Income Taxes	(7.5)	1.9
Increase in Accrued Expenses and Other Liabilities	(8.3)	(23.7)
Other, Net	26.3	24.0
Net Cash Provided by Operating Activities	(10.1)	60.2
Investing Activities:
Sales and Maturities of Fixed Maturities	547.8	478.3
Purchases of Fixed Maturities	(577.1)	(371.0)
Sales of Equity Securities	236.6	23.8
Purchases of Equity Securities	(181.3)	(67.0)
Sales of Former Investee	0	1.3
Acquisition and Improvements of Investment Real Estate	(4.0)	(2.2)
Sales of Investment Real Estate	0.3	0
Return of Investment of Equity Method Limited Liability Investments	47.7	21.0
Acquisitions of Equity Method Limited Liability Investments	(17.5)	(18.2)
Disposition of Business, Net of Cash Disposed	0	4.1
Decrease in Short-term Investments	282.1	(8.8)
Net Proceeds from Sale of Portfolio of Automobile Loan Receivables	220.7	0
Receipts from Automobile Loan Receivables	158.6	268.9
Increase in Other Investments	(10.2)	(9.2)
Other, Net	(19.1)	(34.0)
Net Cash Provided by Investing Activities	684.6	287.0
Financing Activities:
Repayments of Certificates of Deposits	(321.8)	(278.3)
Proceeds from Issuance of Notes Payable	95.0	0
Repayments of Notes Payable	(30.0)	0
Common Stock Repurchases	(21.7)	(24.5)
Cash Dividends Paid to Shareholders	(43.7)	(41.1)
Cash Exercise of Stock Options	0.1	0.1
Excess Tax Benefits from Share-based Awards	0.2	0.1
Other, Net	1.2	2.4
Net Cash Used by Financing Activities	(320.7)	(341.3)
Increase (Decrease) in Cash	353.8	5.9
Cash, Beginning of Year	117.2	143.7
Cash, End of Period	$ 471.0	$ 149.6