Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Activities:
Net Income	$ 217.7	$ 103.4	$ 74.5
Adjustments to Reconcile Net Income to Net Cash Provided (Used) by Operating Activities:
Decrease (Increase) in Deferred Policy Acquisition Costs	0.5	(9.4)	(7.8)
Amortization of Life VIF and P&C Customer Relationships	8.3	8.0	11.4
Impairment of P&C Customer Relationships	0	0	13.5
Equity in Earnings of Equity Method Limited Liability Investments	(26.4)	(9.3)	(9.6)
Distribution of Accumulated Earnings of Equity Method Limited Liability Investments	15.4	15.4	0
Amortization of Investment Securities and Depreciation of Investment Real Estate	16.2	15.2	16.0
Net Realized Gains on Sales of Investments	(99.1)	(65.4)	(34.1)
Net Impairment Losses Recognized in Earnings	13.9	6.9	11.3
Gain on Sale of Portfolio of Automobile Loan Receivables	0	(12.9)	(4.5)
Benefit for Loan Losses	0	(2.0)	(42.0)
Depreciation of Property and Equipment	17.4	15.3	10.9
Decrease (Increase) in Other Receivables	43.5	13.9	(0.2)
Decrease in Insurance Reserves	(72.5)	(1.1)	(52.1)
Decrease in Unearned Premiums	(52.0)	(15.2)	(12.4)
Change in Income Taxes	57.9	(14.9)	17.2
Decrease in Accrued Expenses and Other Liabilities	(54.8)	(15.6)	(47.5)
Other, Net	36.1	33.4	30.4
Net Cash Provided (Used) by Operating Activities	122.1	65.7	(25.0)
Investing Activities:
Sales, Paydowns and Maturities of Fixed Maturities	664.4	914.4	650.3
Purchases of Fixed Maturities	(744.5)	(872.6)	(663.4)
Sales of Equity Securities	182.1	70.8	248.3
Purchases of Equity Securities	(213.4)	(137.7)	(199.2)
Acquisition and Improvements of Investment Real Estate	(5.4)	(5.5)	(6.4)
Sales of Investment Real Estate	102.7	6.0	0.3
Sales of and Return of Investment of Equity Method Limited Liability Investments	31.3	56.0	57.0
Acquisitions of Equity Method Limited Liability Investments	(20.5)	(31.0)	(25.7)
Decrease (Increase) in Short-term Investments	41.8	(80.0)	155.5
Receipts from Automobile Loan Receivables	0	2.0	166.5
Net Proceeds from Sale of Portfolio of Automobile Loan Receivables	0	16.7	220.7
Proceeds from Divestiture of Businesses, Net of Cash Divested	3.8	0	0
Increase in Other Investments	(9.1)	(12.4)	(15.6)
Acquisition of Software	(15.2)	(26.5)	(23.2)
Other, Net	(13.2)	(6.4)	(0.5)
Net Cash Provided (Used) by Investing Activities	4.8	(106.2)	564.6
Financing Activities:
Repayments of Certificates of Deposits	0	0	(321.8)
Proceeds from Issuance of Notes Payable	0	0	95.0
Repayments of Notes Payable	(5.5)	0	(95.0)
Common Stock Repurchases	(100.4)	(60.7)	(27.4)
Cash Dividends Paid to Shareholders	(54.9)	(56.9)	(58.2)
Cash Exercise of Stock Options	1.7	1.3	0.2
Excess Tax Benefits from Share-based Awards	1.3	0.5	0.2
Other, Net	1.1	1.4	1.4
Net Cash Used by Financing Activities	(156.7)	(114.4)	(405.6)
Increase (Decrease) in Cash	(29.8)	(154.9)	134.0
Cash, Beginning of Year	96.3	251.2	117.2
Cash, End of Year	$ 66.5	$ 96.3	$ 251.2