Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Earned Premiums	$ 609.8	$ 563.4
Net Investment Income	79.2	81.6
Other Income	1.2	0.9
Income from Change in Fair Value of Equity Securities	0.7	0.0
Net Realized Gains on Sales of Investments	2.6	10.5
Other-than-temporary Impairment Losses:
Total Other-than-temporary Impairment Losses	(0.5)	(5.2)
Portion of Losses Recognized in Other Comprehensive Income	0.0	0.2
Net Impairment Losses Recognized in Earnings	(0.5)	(5.0)
Total Revenues	693.0	651.4
Expenses:
Policyholders’ Benefits and Incurred Losses and Loss Adjustment Expenses	436.9	477.4
Insurance Expenses	160.1	158.0
Interest and Other Expenses	29.0	19.5
Total Expenses	626.0	654.9
Income (Loss) from Continuing Operations before Income Taxes	67.0	(3.5)
Income Tax Benefit (Expense)	(13.4)	3.1
Income (Loss) from Continuing Operations	53.6	(0.4)
Income from Discontinued Operations	0.2	0.1
Net Income (Loss)	$ 53.8	$ (0.3)
Income (Loss) from Continuing Operations Per Unrestricted Share:
Basic (in dollars per share)	$ 1.03	$ (0.01)
Diluted (in dollars per share)	1.02	(0.01)
Net Income (Loss) Per Unrestricted Share:
Basic (in dollars per share)	1.03	(0.01)
Diluted (in dollars per share)	1.02	(0.01)
Dividends Paid to Shareholders Per Share (in dollars per share)	$ 0.24	$ 0.24