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Subsequent Event | 9 Months Ended
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Sep. 30, 2011
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Note 15. Subsequent Event Sale of Esurance On October 7, 2011, White Mountains completed the sale of Esurance Insurance and AFI to The Allstate Corporation for a cash payment of $1.01 billion, which was equal to $700 million plus the estimated pro forma tangible book value at closing of the legal entities sold of approximately $310 million. The final purchase price is subject to true-up of estimated tangible book value of the entities sold through the date of the closing. As a result of the transaction, the Esurance Disposal Group is reported as discontinued operations.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + Details
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