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SCHEDULE V VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2011
SCHEDULE V VALUATION AND QUALIFYING ACCOUNTS |
SCHEDULE V VALUATION AND QUALIFYING ACCOUNTS |
SCHEDULE V WHITE MOUNTAINS INSURANCE GROUP, LTD. VALUATION AND QUALIFYING ACCOUNTS
Column A |  | Column B |  | Column C |  | Column D |  | Column E |
|  | Balance at |  | Additions (subtractions) |  |  |  |  |
Millions |  | beginning of period |  | Charged to costs and expenses |  | Charged to other accounts |  | Deductions described(1) |  | Balance at end of period |
Years ended: |  |  |  |  |  |  |  |  |  |  |
December 31, 2011: |  |  |  |  |  |  |  |  |  |  |
Reinsurance recoverable on paid losses: |  |  |  |  |  |  |  |  |  |  |
Allowance for reinsurance balances |  | $ | 29.4 |  | $ | 8.5 |  | $ | — |  | $ | (3.9 | ) | $ | 34.0 |
Property and casualty insurance and reinsurance premiums receivable: |  |  |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  | 3.9 |  | — |  | (.5 | ) | — |  | 3.4 |
December 31, 2010: |  |  |  |  |  |  |  |  |  |  |
Reinsurance recoverable on paid losses: |  |  |  |  |  |  |  |  |  |  |
Allowance for reinsurance balances |  | $ | 30.0 |  | $ | (.4 | ) | $ | — |  | $ | (.2 | ) | $ | 29.4 |
Property and casualty insurance and reinsurance premiums receivable: |  |  |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  | 6.3 |  | .2 |  | (1.0 | ) | (1.6 | ) | 3.9 |
December 31, 2009: |  |  |  |  |  |  |  |  |  |  |
Reinsurance recoverable on paid losses: |  |  |  |  |  |  |  |  |  |  |
Allowance for reinsurance balances |  | $ | 29.5 |  | $ | 2.3 |  | $ | — |  | $ | (1.8 | ) | $ | 30.0 |
Property and casualty insurance and reinsurance premiums receivable: |  |  |  |  |  |  |  |  |  |  |
Allowance for uncollectible accounts |  | 7.1 |  | 1.5 |  | (1.8 | ) | (.5 | ) | 6.3 |
(1) Represents net reinstatements (charge-offs) of balances receivables and foreign exchange.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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