Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Earned Premiums	$ 598.2	$ 558.9	$ 1,744.1	$ 1,658.6
Net Investment Income	85.9	77.7	244.6	218.4
Other Income	1.0	0.8	2.9	2.2
Net Realized Gains on Sales of Investments	8.1	11.6	45.0	24.0
Other-than-temporary Impairment Losses:
Total Other-than-temporary Impairment Losses	(2.9)	(8.3)	(10.7)	(24.3)
Portion of Losses Recognized in Other Comprehensive Income	0.0	0.0	0.2	0.3
Net Impairment Losses Recognized in Earnings	(2.9)	(8.3)	(10.5)	(24.0)
Total Revenues	690.3	640.7	2,026.1	1,879.2
Expenses:
Policyholders’ Benefits and Incurred Losses and Loss Adjustment Expenses	440.1	490.2	1,364.9	1,362.5
Insurance Expenses	163.7	161.7	485.2	488.8
Interest and Other Expenses	18.2	22.0	59.1	65.0
Total Expenses	622.0	673.9	1,909.2	1,916.3
Income (Loss) from Continuing Operations before Income Taxes	68.3	(33.2)	116.9	(37.1)
Income Tax Benefit (Expense)	(20.5)	14.9	(32.9)	20.7
Income (Loss) from Continuing Operations	47.8	(18.3)	84.0	(16.4)
Income (Loss) from Discontinued Operations	(0.1)	2.0	0.0	2.0
Net Income (Loss)	$ 47.7	$ (16.3)	$ 84.0	$ (14.4)
Income (Loss) from Continuing Operations Per Unrestricted Share:
Basic (in dollars per share)	$ 0.92	$ (0.36)	$ 1.63	$ (0.31)
Diluted (in dollars per share)	0.92	(0.36)	1.62	(0.31)
Net Income (Loss) Per Unrestricted Share:
Basic (in dollars per share)	0.92	(0.32)	1.63	(0.27)
Diluted (in dollars per share)	0.92	(0.32)	1.62	(0.27)
Dividends Paid to Shareholders Per Share (in dollars per share)	$ 0.24	$ 0.24	$ 0.72	$ 0.72