Consolidated Statements of Income (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Net premiums earned	$ 1,075.4	$ 1,100.0	$ 2,132.6	$ 2,160.2
Title, escrow, and other fees	97.2	122.2	172.6	227.6
Total premiums and fees	1,172.6	1,222.2	2,305.3	2,387.9
Net investment income	85.4	78.8	168.2	158.2
Other income	25.8	23.2	49.6	43.6
Total operating revenues	1,283.9	1,324.3	2,523.3	2,589.8
Realized investment gains (losses):
From sales and fair value adjustments	49.9	137.1	241.2	141.7
From impairments	0	0	0	0
Total realized investment gains (losses)	49.9	137.1	241.2	141.7
Total revenues	1,333.9	1,461.5	2,764.5	2,731.5
Benefits, Claims and Expenses:
Benefits, claims and settlement expenses	651.7	521.7	1,207.8	1,100.5
Dividends to policyholders	3.4	3.5	7.4	8.4
Underwriting, acquisition, and other expenses	573.5	634.2	1,141.3	1,230.2
Interest and other charges	5.5	5.6	11.2	11.4
Total expenses	1,234.2	1,165.2	2,367.8	2,350.6
Income before income taxes (credits)	99.6	296.3	396.6	380.8
Income Taxes (Credits):
Current	31.7	29.9	137.7	29.1
Deferred	1.8	72.3	(1.6)	101.4
Total	33.5	102.3	136.0	130.6
Net Income	$ 66.1	$ 193.9	$ 260.5	$ 250.2
Net Income Per Share:
Net income (loss) per share: Basic (in dollars per share)	$ 0.26	$ 0.76	$ 1.01	$ 0.97
Net income (loss) per share: Diluted (in dollars per share)	$ 0.24	$ 0.67	$ 0.91	$ 0.88
Average shares outstanding: Basic (in shares)	258,379,076	256,749,748	258,282,459	256,636,082
Average shares outstanding: Diluted (in shares)	295,051,774	292,842,386	294,902,279	292,548,180
Dividends Per Common Share:
Cash	$ 0.1825	$ 0.1800	$ 0.3650	$ 0.3600