Consolidated Statements of Income (USD $) In Millions, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
REVENUES
Premiums	$ 770.5	$ 697.8	$ 1,532.2	$ 1,364.3
Net investment income	61.0	61.8	121.4	122.9
Net realized investment gains (losses):
Net realized gains from sales and other	14.2	3.6	18.9	17.2
Net other-than-temporary impairment losses recognized in income	(0.8)	(3.4)	(2.2)	(6.1)
Total net realized investment gains	13.4	0.2	16.7	11.1
Fees and other income	9.0	8.5	17.4	16.6
Total revenues	853.9	768.3	1,687.7	1,514.9
LOSSES AND EXPENSES
Losses and loss adjustment expenses	617.5	498.4	1,128.5	930.0
Policy acquisition expenses	181.3	163.0	362.1	317.4
Interest expense	10.8	11.7	21.2	21.0
Other operating expenses	104.0	92.1	198.1	184.1
Total losses and expenses	913.6	765.2	1,709.9	1,452.5
(Loss) income before federal income taxes	(59.7)	3.1	(22.2)	62.4
Federal income tax (benefit) expense:
Current	(26.4)	(1.4)	(22.3)	(29.7)
Deferred	(0.9)	2.3	4.6	47.7
Total federal income tax (benefit) expense	(27.3)	0.9	(17.7)	18.0
(Loss) income from continuing operations	(32.4)	2.2	(4.5)	44.4
Gain (loss) from discontinued operations (net of income tax (expense) benefit of $(0.4) and $0.2 for the quarter ended June 30, 2011 and June 30, 2010 and $(0.1) and $0.1 for the six months ended June 30, 2011 and June 30, 2010)	0.6	0.1	2.0	(0.3)
Net (loss) income	$ (31.8)	$ 2.3	$ (2.5)	$ 44.1
Basic
(Loss) income from continuing operations	$ (0.71)	$ 0.05	$ (0.10)	$ 0.96
Gain from discontinued operations	$ 0.01		$ 0.04
Net (loss) income per share	$ (0.70)	$ 0.05	$ (0.06)	$ 0.96
Weighted average shares outstanding	45.4	44.9	45.4	46.2
Diluted
(Loss) income from continuing operations	$ (0.71)	$ 0.05	$ (0.10)	$ 0.95
Gain (loss) from discontinued operations	$ 0.01		$ 0.04	$ (0.01)
Net (loss) income per share	$ (0.70)	$ 0.05	$ (0.06)	$ 0.94
Weighted average shares outstanding	45.4	45.5	45.4	46.8