Consolidated Statements of Income (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues:
Net premiums earned	$ 4,456.6	$ 4,043.8	$ 3,695.5
Title, escrow, and other fees	429.0	427.1	354.5
Total premiums and fees	4,885.6	4,471.0	4,050.1
Net investment income	318.7	336.5	364.6
Other income	90.1	114.5	115.2
Total operating revenues	5,294.5	4,922.2	4,529.9
Realized investment gains (losses):
From sales	148.1	48.1	165.8
From impairments	0	(0.2)	(50.2)
Total realized investment gains (losses)	148.1	47.8	115.5
Total revenues	5,442.7	4,970.1	4,645.5
Benefits, Claims and Expenses:
Benefits, claims and settlement expenses	2,223.0	2,747.4	2,748.7
Dividends to policyholders	15.2	17.9	15.6
Underwriting, acquisition, and other expenses	2,509.7	2,297.1	2,054.3
Interest and other charges	21.6	36.2	63.4
Total expenses	4,769.7	5,098.7	4,882.2
Income (loss) before income taxes (credits)	672.9	(128.5)	(236.7)
Income Taxes (Credits):
Current	79.0	2.4	(36.7)
Deferred	146.0	(62.3)	(59.4)
Total	225.0	(59.8)	(96.1)
Net Income (Loss)	$ 447.8	$ (68.6)	$ (140.5)
Net Income (Loss) Per Share:
Net income (loss) per share: basic (in dollars per share)	$ 1.74	$ (0.27)	$ (0.55)
Net income (loss) per share: diluted (in dollars per share)	$ 1.57	$ (0.27)	$ (0.55)
Average shares outstanding: Basic (in shares)	257,443,999	255,812,888	255,045,210
Average shares outstanding: Diluted (in shares)	293,684,035	255,812,888	255,045,210
Dividends Per Common Share:
Cash: (in dollars per share)	$ 0.72	$ 0.71	$ 0.70