CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Earned insurance and reinsurance premiums	$ 500.4	$ 536.8	$ 1,493.3	$ 1,545.3
Net investment income	27.3	37.6	84.5	119.8
Net realized and unrealized investment gains	28.2	72.7	66.1	123.2
Other revenue	18.2	50.3	46.9	81.0
Total revenues	574.1	697.4	1,690.8	1,869.3
Expenses:
Loss and loss adjustment expenses	278.3	308.1	797.2	821.7
Insurance and reinsurance acquisition expenses	106.7	107.6	281.0	326.2
Other underwriting expenses	80.4	76.6	244.0	228.4
General and administrative expenses	41.5	58.7	125.5	146.3
Interest expense on debt	11.9	11.3	32.4	33.1
Total expenses	518.8	562.3	1,480.1	1,555.7
Pre-tax income from continuing operations	55.3	135.1	210.7	313.6
Income tax expense	(8.2)	(47.8)	(49.2)	(85.3)
Net income from continuing operations	47.1	87.3	161.5	228.3
Loss from sale of discontinued operations	0	(91.0)	0	(91.0)
Net income (loss) from discontinued operations, net of tax	0.4	(15.8)	4.8	(24.5)
Income (loss) before equity in earnings of unconsolidated affiliates	47.5	(19.5)	166.3	112.8
Equity in earnings of unconsolidated affiliates, net of tax	8.6	7.7	24.9	24.4
Net income	56.1	(11.8)	191.2	137.2
Net loss attributable to non-controlling interests	1.1	30.9	12.7	2.0
Net income attributable to White Mountains’ common shareholders	57.2	19.1	203.9	139.2
Other comprehensive income, net of tax:
Change in equity in net unrealized (losses) gains from investments in unconsolidated affiliates	(7.2)	32.3	(81.2)	59.3
Change in foreign currency translation and other	46.6	39.6	8.4	33.3
Comprehensive income	96.6	91.0	131.1	231.8
Comprehensive (income) loss attributable to non-controlling interests	(0.1)	0.4	(0.1)	0.4
Comprehensive income attributable to White Mountains’ common shareholders	$ 96.5	$ 91.4	$ 131.0	$ 232.2
Basic income (loss) per share
Continuing operations	$ 9.20	$ 19.11	$ 32.05	$ 36.96
Discontinued operations	$ 0.06	$ (16.21)	$ 0.78	$ (16.77)
Total consolidated operations	$ 9.26	$ 2.90	$ 32.83	$ 20.19
Diluted income (loss) per share
Continuing operations	$ 9.20	$ 19.11	$ 32.05	$ 36.96
Discontinued operations	$ 0.06	$ (16.21)	$ 0.78	$ (16.77)
Total consolidated operations	$ 9.26	$ 2.90	$ 32.83	$ 20.19
Dividends declared per White Mountains’ common share	$ 0	$ 0	$ 1	$ 1