Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Earned Premiums	$ 658.1	$ 582.5	$ 1,267.9	$ 1,145.9
Net Investment Income	78.4	77.1	157.6	158.7
Other Income	1.2	1.0	2.4	1.9
Income from Change in Fair Value of Equity Securities	0.4	0.0	1.1	0.0
Net Realized Gains on Sales of Investments	3.8	26.4	6.4	36.9
Other-than-temporary Impairment Losses:
Total Other-than-temporary Impairment Losses	0.0	(2.6)	(0.5)	(7.8)
Portion of Losses Recognized in Other Comprehensive Income	0.0	0.0	0.0	0.2
Net Impairment Losses Recognized in Earnings	0.0	(2.6)	(0.5)	(7.6)
Total Revenues	741.9	684.4	1,434.9	1,335.8
Expenses:
Policyholders’ Benefits and Incurred Losses and Loss Adjustment Expenses	499.5	447.4	936.4	924.8
Insurance Expenses	171.2	163.5	331.3	321.5
Interest and Other Expenses	25.7	21.4	54.7	40.9
Total Expenses	696.4	632.3	1,322.4	1,287.2
Income from Continuing Operations before Income Taxes	45.5	52.1	112.5	48.6
Income Tax Expense	(8.0)	(15.5)	(21.4)	(12.4)
Income from Continuing Operations	37.5	36.6	91.1	36.2
Income from Discontinued Operations	0.1	0.0	0.3	0.1
Net Income	$ 37.6	$ 36.6	$ 91.4	$ 36.3
Income from Continuing Operations Per Unrestricted Share:
Basic (in dollars per share)	$ 0.73	$ 0.71	$ 1.76	$ 0.70
Diluted (in dollars per share)	0.73	0.71	1.75	0.70
Net Income Per Unrestricted Share:
Basic (in dollars per share)	0.73	0.71	1.77	0.71
Diluted (in dollars per share)	0.73	0.71	1.76	0.70
Dividends Paid to Shareholders Per Share (in dollars per share)	$ 0.24	$ 0.24	$ 0.48	$ 0.48