Consolidated Statements of Operations (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues
Net earned premiums	$ 1,338.3	$ 1,115.3	$ 2,463.2	$ 2,165.6
Fees and other income	354.2	326.9	718.7	667.1
Net investment income	135.6	121.7	265.8	242.3
Net realized (losses) gains on investments, excluding other-than-temporary impairment losses		13.3		17.1
Net realized (losses) gains on investments, excluding other-than-temporary impairment losses	(11.4)		(10.9)
Other-than-temporary impairment losses recognized in earnings	0.0	(0.1)	0.0	(0.5)
Amortization of deferred gains on disposal of businesses	15.0	23.4	33.5	60.4
Total revenues	1,831.7	1,600.5	3,470.3	3,152.0
Benefits, losses and expenses
Policyholder benefits	490.6	416.4	905.2	774.4
Amortization of deferred acquisition costs and value of business acquired	463.2	346.7	809.6	661.2
Underwriting, general and administrative expenses	773.6	646.3	1,493.2	1,297.6
Interest expense	26.0	12.4	47.5	25.0
Total benefits, losses and expenses	1,753.4	1,421.8	3,255.5	2,758.2
Income before provision for income taxes	78.3	178.7	214.8	393.8
Provision for income taxes	11.3	58.5	41.8	129.8
Net income	67.0	120.2	173.0	264.0
Less: Preferred stock dividends	(4.8)	0.0	(4.8)	0.0
Net income attributable to common stockholders	$ 62.2	$ 120.2	$ 168.2	$ 264.0
Earnings Per Share
Basic (in dollars per share)	$ 1.09	$ 2.18	$ 3.05	$ 4.74
Diluted (in dollars per share)	1.09	2.16	3.02	4.71
Dividends per share of common stock (in dollars per share)	0.56	0.53	1.12	1.06
Dividends per share of preferred stock (in dollars per share)	$ 1.68	$ 0	$ 1.68	$ 0
Share Data
Weighted average shares outstanding used in basic per share calculations (in shares)	57,060,313	55,230,367	55,125,584	55,713,172
Plus: Dilutive securities (in shares)	204,095	279,531	2,147,844	361,980
Weighted average shares used in diluted earnings per share calculations (in shares)	57,264,408	55,509,898	57,273,428	56,075,152