Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Earned Premiums	$ 536.7	$ 462.8	$ 1,468.1	$ 1,410.7
Net Investment Income	75.9	72.3	223.2	216.0
Other Income	0.8	0.5	2.3	0.8
Net Realized Gains on Sales of Investments	5.3	8.0	42.7	18.1
Other-than-temporary Impairment Losses:
Total Other-than-temporary Impairment Losses	(3.3)	(3.8)	(12.5)	(8.7)
Portion of Losses Recognized in Other Comprehensive Income	0.0	0.0	0.0	0.0
Net Impairment Losses Recognized in Earnings	(3.3)	(3.8)	(12.5)	(8.7)
Total Revenues	615.4	539.8	1,723.8	1,636.9
Expenses:
Policyholders’ Benefits and Incurred Losses and Loss Adjustment Expenses	378.8	300.5	1,051.6	975.9
Insurance Expenses	161.1	158.6	468.1	472.0
Write-offs of Long-lived Assets	0.0	54.6	11.1	54.6
Loss from Early Extinguishment of Debt	0.0	0.0	9.1	0.0
Interest and Other Expenses	25.7	22.1	82.0	67.3
Total Expenses	565.6	535.8	1,621.9	1,569.8
Income from Continuing Operations before Income Taxes	49.8	4.0	101.9	67.1
Income Tax Benefit (Expense)	(11.8)	0.8	(23.0)	(17.8)
Income from Continuing Operations	38.0	4.8	78.9	49.3
Income (Loss) from Discontinued Operations	(0.1)	(0.1)	2.2	(0.2)
Net Income	$ 37.9	$ 4.7	$ 81.1	$ 49.1
Income from Continuing Operations Per Unrestricted Share:
Basic (in dollars per share)	$ 0.73	$ 0.09	$ 1.52	$ 0.90
Diluted (in dollars per share)	0.73	0.09	1.52	0.90
Net Income Per Unrestricted Share:
Basic (in dollars per share)	0.73	0.09	1.56	0.90
Diluted (in dollars per share)	0.73	0.09	1.56	0.90
Dividends Paid to Shareholders Per Share (in dollars per share)	$ 0.24	$ 0.24	$ 0.72	$ 0.72