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SCHEDULE II CONDENSED FINANCIAL INFORMATION OF THE REGISTRANT (Details 2) (USD $) | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Nov. 30, 2011 Lone Tree Insurance Group Ltd [Member] | Dec. 31, 2012 White Mountains Insurance Group Ltd. | Dec. 31, 2011 White Mountains Insurance Group Ltd. | Dec. 31, 2010 White Mountains Insurance Group Ltd. | Nov. 30, 2011 Fixed maturity investments Lone Tree Insurance Group Ltd [Member] | Nov. 30, 2011 Short-term investments Lone Tree Insurance Group Ltd [Member]
CONDENSED FINANCIAL INFORMATION OF THE REGISTRANT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | $ (663,000,000) | [1] | $ 0 | [1] | $ 0 | [1] |  |
Noncash investments acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 284.7
Noncash payables acquired |  |  |  |  |  |  |  |  |  |  |  | 417.5 |  |  |  |  |  |  |  |
Revenues (including realized gains and losses) | 566,400,000 | 697,400,000 | 542,300,000 | 629,700,000 | 593,400,000 | 501,700,000 | 552,400,000 | 525,600,000 | 2,435,700,000 | 2,173,100,000 | 2,333,700,000 |  | 20,800,000 |  | 6,400,000 |  | 1,100,000 |  |  |
Expenses | 617,200,000 | 562,300,000 | 504,700,000 | 488,800,000 | 495,000,000 | 500,500,000 | 516,600,000 | 563,000,000 | 2,172,900,000 | 2,075,100,000 | 2,144,400,000 |  | 32,400,000 |  | 51,700,000 |  | 42,200,000 |  |  |
Pre-tax income (loss) | (50,800,000) | 135,100,000 | 37,600,000 | 140,900,000 | 98,400,000 | 1,200,000 | 35,800,000 | (37,400,000) | 262,800,000 | 98,000,000 | 189,300,000 |  | (11,600,000) |  | (45,300,000) |  | (41,100,000) |  |  |
Income tax benefit (expense) | 101,000,000 | (47,800,000) | (6,400,000) | (31,100,000) | 110,900,000 | 600,000 | (8,800,000) | 7,300,000 | 15,700,000 | 110,000,000 | (29,600,000) |  | (300,000) |  | 6,500,000 |  | (600,000) |  |  |
Net income from continuing operations | 50,200,000 | 87,300,000 | 31,200,000 | 109,800,000 | 209,300,000 | 1,800,000 | 27,000,000 | (30,100,000) | 278,500,000 | 208,000,000 | 159,700,000 |  | (11,900,000) |  | (38,800,000) |  | (41,700,000) |  |  |
Equity in earnings (losses) from consolidated and unconsolidated affiliates |  |  |  |  |  |  |  |  |  |  |  |  | 219,300,000 | [2] | 806,700,000 | [2] | 128,200,000 | [2] |  |
Net income attributable to White Mountains’ common shareholders | 68,200,000 | 19,100,000 | 26,100,000 | 94,000,000 | 800,200,000 | (15,800,000) | 11,700,000 | (28,200,000) | 207,400,000 | 767,900,000 | 86,500,000 |  | 207,400,000 | [3] | 767,900,000 | [3] | 86,500,000 | [3] |  |
Other comprehensive income (loss), after-tax |  |  |  |  |  |  |  |  |  |  |  |  | 95,200,000 |  | (81,700,000) |  | 127,900,000 |  |  |
Comprehensive income attributable to White Mountains’ common shareholders |  |  |  |  |  |  |  |  | 302,600,000 | 686,200,000 | 214,400,000 |  | 302,600,000 |  | 686,200,000 |  | 214,400,000 |  |  |
Computation of net income (loss) available to common shareholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) Available to Common Stockholders, Basic | 68,200,000 | 19,100,000 | 26,100,000 | 94,000,000 | 800,200,000 | (15,800,000) | 11,700,000 | (28,200,000) | 207,400,000 | 767,900,000 | 86,500,000 |  | 207,400,000 | [3] | 767,900,000 | [3] | 86,500,000 | [3] |  |
Common shares repurchased and retired during the period |  |  |  |  |  |  |  |  | 1,329,640 | 646,502 | 687,871 |  |  |  |  |  |  |  |  |
Payments for Repurchase of Common Stock |  |  |  |  |  |  |  |  | $ 669,100,000 | $ 253,000,000 | $ 225,600,000 |  | $ 669,100,000 | [1] | $ 253,000,000 | [1] | $ 225,600,000 | [1] |  |
[1] | During 2012, the Company sold the majority of its fixed maturity investments and used the proceeds to (a) contribute $663.0 to its subsidiaries, the majority of which was used to fund HG Global and (b) repurchase 1,329,640 of its common shares for $669.1
[2] | (3) In 2011, the Company revised the presentation of investments in consolidated and unconsolidated affiliates, total liabilities and equity and equity in earnings (losses) from consolidated and unconsolidated affiliates to be net of non-controlling interests for all periods presented.
[3] | n 2011, the Company revised the presentation of net income attributable to White Mountains’ common shareholders and undistributed current earnings from subsidiaries to be net of non-controlling interests for all periods presented.

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