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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Millions | Total | White Mountains' Common Shareholders' Equity | Common shares and paid-in surplus | Retained earnings | Accum. other comprehensive income (loss), after-tax | Non-controlling interest
--- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2009 |  | $ 3,657.4 | $ 1,445.0 | $ 2,215.9 | $ (3.5) | $ 684.1
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Cumulative effect adjustment - ASU 2009-17 (ASU 2009-17) |  | (0.4) |  | (0.4) |  | (22.8)
Tax basis change due to intercompany transfer |  | (10.4) |  | (4.4) | (6.0) |
Net (loss) income | 50.0 | 13.6 |  | 13.6 |  | 36.4
Other comprehensive income, after-tax |  | 172.3 |  |  | 172.3 |
Dividends declared on common shares | (8.8) | (8.8) |  | (8.8) |  |
Dividends to noncontrolling interests |  |  |  |  |  | (80.5)
Repurchases and retirements of common shares |  | (178.2) | (88.2) | (90.0) |  |
Issuances of common shares |  | 0.8 | 0.8 |  |  |
Net distributions to noncontrolling interests |  |  |  |  |  | (13.5)
Amortization of restricted share and option awards |  | 21.5 | 21.5 |  |  | 0.1
Balances at Sep. 30, 2010 |  | 3,667.8 | 1,379.1 | 2,125.9 | 162.8 | 603.8
Balances at Dec. 31, 2010 | 4,260.8 | 3,653.0 | 1,359.0 | 2,175.6 | 118.4 | 607.8
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net (loss) income | (11.1) | (32.3) |  | (32.3) |  | 21.2
Other comprehensive income, after-tax |  | 52.0 |  |  | 52.0 |
Dividends declared on common shares | (8.0) | (8.0) |  | (8.0) |  |
Dividends to noncontrolling interests |  |  |  |  |  | (47.2)
Repurchases and retirements of common shares |  | (229.8) | (98.5) | (131.3) |  |
Issuances of common shares |  | 0.9 | 0.9 |  |  |
Net distributions to noncontrolling interests |  |  |  |  |  | (7.7)
Amortization of restricted share and option awards |  | 8.9 | 8.9 |  |  | 0.3
Balances at Sep. 30, 2011 | $ 4,019.1 | $ 3,444.7 | $ 1,270.3 | $ 2,004.0 | $ 170.4 | $ 574.4

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