Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Earned Premiums	$ 1,052.9	$ 598.2	$ 2,320.8	$ 1,744.1
Net Investment Income	92.0	85.9	249.6	244.6
Other Income	37.8	1.0	40.2	2.9
Income from Change in Fair Value of Equity Securities	11.0	0.0	12.1	0.0
Net Realized Gains on Sales of Investments	3.6	8.1	10.0	45.0
Other-than-temporary Impairment Losses:
Total Other-than-temporary Impairment Losses	(1.8)	(2.9)	(2.3)	(10.7)
Portion of Losses Recognized in Other Comprehensive Income	0.0	0.0	0.0	0.2
Net Impairment Losses Recognized in Earnings	(1.8)	(2.9)	(2.3)	(10.5)
Total Revenues	1,195.5	690.3	2,630.4	2,026.1
Expenses:
Policyholders’ Benefits and Incurred Losses and Loss Adjustment Expenses	757.3	440.1	1,693.7	1,364.9
Insurance Expenses	296.0	163.7	627.3	485.2
Interest and Other Expenses	61.7	18.2	116.4	59.1
Total Expenses	1,115.0	622.0	2,437.4	1,909.2
Income from Continuing Operations before Income Taxes	80.5	68.3	193.0	116.9
Income Tax Benefit (Expense)	11.8	(20.5)	(9.6)	(32.9)
Income from Continuing Operations	92.3	47.8	183.4	84.0
Income (Loss) from Discontinued Operations	(0.1)	(0.1)	0.2	0.0
Net Income	$ 92.2	$ 47.7	$ 183.6	$ 84.0
Income from Continuing Operations Per Unrestricted Share:
Basic (in dollars per share)	$ 1.42	$ 0.92	$ 3.26	$ 1.63
Diluted (in dollars per share)	1.40	0.92	3.23	1.62
Net Income Per Unrestricted Share:
Basic (in dollars per share)	1.42	0.92	3.26	1.63
Diluted (in dollars per share)	1.40	0.92	3.23	1.62
Dividends Paid to Shareholders Per Share (in dollars per share)	$ 0.24	$ 0.24	$ 0.72	$ 0.72