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v3.6.0.2

Segment Information (Assets) (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Segment reporting information |  |  |  |  |
Total investments | $ 5,334.8 | $ 4,271.1 |  |  |
Reinsurance recoverable on paid and unpaid losses | 179.5 | 193.5 |  |  |
Assets held for sale | 10.1 | 4,790.4 |  |  |
Assets | 6,544.7 | 10,282.6 |  |  |
Loss and loss adjustment expense reserves | 1,365.6 | 1,389.8 | $ 1,342.2 | $ 1,054.3 |
Liabilities held for sale | 5.1 | 3,047.4 |  |  |
Liabilities | 2,807.5 | 5,914.6 |  |  |
Non-controlling interests | 133.9 | 454.8 |  |  |
White Mountains’ common shareholders’ equity | 3,603.3 | 3,913.2 |  |  |
OneBeacon |  |  |  |  |
Segment reporting information |  |  |  |  |
Total investments | 2,620.4 | 2,591.4 |  |  |
Reinsurance recoverable on paid and unpaid losses | 179.5 | 193.5 |  |  |
Assets held for sale | 0.0 | 0.0 |  |  |
Assets | 3,589.4 | 3,600.8 |  |  |
Loss and loss adjustment expense reserves | 1,365.6 | 1,389.8 |  |  |
Liabilities held for sale | 0.0 | 0.0 |  |  |
Liabilities | 2,564.2 | 2,596.3 |  |  |
Non-controlling interests | 244.6 | 249.3 |  |  |
White Mountains’ common shareholders’ equity | 780.6 | 755.2 |  |  |
HG Global |  |  |  |  |
Segment reporting information |  |  |  |  |
Total investments | 161.6 | 136.2 |  |  |
Reinsurance recoverable on paid and unpaid losses | 0.0 | 0.0 |  |  |
Assets held for sale | 0.0 | 0.0 |  |  |
Assets | 787.0 | 739.0 |  |  |
Loss and loss adjustment expense reserves | 0.0 | 0.0 |  |  |
Liabilities held for sale | 0.0 | 0.0 |  |  |
Liabilities | 247.6 | 181.2 |  |  |
Non-controlling interests | 16.6 | 17.1 |  |  |
White Mountains’ common shareholders’ equity | 522.8 | 540.7 |  |  |
BAM |  |  |  |  |
Segment reporting information |  |  |  |  |
Total investments | 468.1 | 460.3 |  |  |
Reinsurance recoverable on paid and unpaid losses | 0.0 | 0.0 |  |  |
Assets held for sale | 0.0 | 0.0 |  |  |
Assets | (78.9) | (91.1) |  |  |
Loss and loss adjustment expense reserves | 0.0 | 0.0 |  |  |
Liabilities held for sale | 0.0 | 0.0 |  |  |
Liabilities | 72.0 | 48.9 |  |  |
Non-controlling interests | (150.9) | (140.0) |  |  |
White Mountains’ common shareholders’ equity | 0.0 | 0.0 |  |  |
Surplus notes | 503.0 |  |  |  |
Accrued interest on surplus notes | 108.0 | 90.2 |  |  |
Other Operations |  |  |  |  |
Segment reporting information |  |  |  |  |
Total investments | 2,084.7 | 1,083.2 |  |  |
Reinsurance recoverable on paid and unpaid losses | 0.0 | 0.0 |  |  |
Assets held for sale | 0.0 | 0.0 |  |  |
Assets | 2,417.3 | 1,378.8 |  |  |
Loss and loss adjustment expense reserves | 0.0 | 0.0 |  |  |
Liabilities held for sale | 0.0 | 0.0 |  |  |
Liabilities | 98.8 | 176.1 |  |  |
Non-controlling interests | 23.6 | 78.4 |  |  |
White Mountains’ common shareholders’ equity | 2,294.9 | 1,124.3 |  |  |
Total Capital Contributed to Subsidiary | 703.0 | 676.0 |  |  |
Consolidation, Eliminations [Member] |  |  |  |  |
Segment reporting information |  |  |  |  |
Assets | (180.2) | (135.3) |  |  |
Liabilities | (180.2) | (135.3) |  |  |
Discontinued Operations, Held-for-sale [Member] |  |  |  |  |
Segment reporting information |  |  |  |  |
Total investments | 0.0 | 0.0 |  |  |
Reinsurance recoverable on paid and unpaid losses | 0.0 | 0.0 |  |  |
Assets held for sale | 10.1 | 4,790.4 |  |  |
Assets | 10.1 | 4,790.4 |  |  |
Loss and loss adjustment expense reserves | 0.0 | 0.0 |  |  |
Liabilities held for sale | 5.1 | 3,047.4 |  |  |
Liabilities | 5.1 | 3,047.4 |  |  |
Non-controlling interests | 0.0 | 0.0 |  |  |
White Mountains’ common shareholders’ equity | 5.0 | 1,493.0 |  |  |
Continuing Operations [Member] |  |  |  |  |
Segment reporting information |  |  |  |  |
Non-controlling interests | 133.9 | 204.8 |  |  |
SIG Preference Shares |  |  |  |  |
Segment reporting information |  |  |  |  |
Non-controlling interests |  | 250.0 |  |  |
HG Global |  |  |  |  |
Segment reporting information |  |  |  |  |
Non-controlling interests | 16.6 | 17.1 |  |  |
Surplus notes | 300.0 |  |  |  | $ 503.0
Preferred Dividends Payable [Member] | HG Global | Other Operations |  |  |  |  |
Segment reporting information |  |  |  |  |
Accounts Payable and Accrued Liabilities | $ 180.2 | $ 135.3 |  |  |

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