XML 55 R37.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Non-controlling Interest (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2017
Noncontrolling Interest [Abstract] |
Noncontrolling Interest Disclosure | The following table details the balance of non-controlling interests included in White Mountains’s total equity and the related percentage of each consolidated entity’s total equity owned by non-controlling shareholders as of March 31, 2017 and December 31, 2016:
|  | March 31, 2017 |  | December 31, 2016
$ in millions |  | Non-controlling Percentage |  | Non-controlling Equity |  | Non-controlling Percentage |  | Non-controlling Equity
OneBeacon Ltd. |  | 24.3 | % |  | $ | 250.7 |  |  | 23.9 | % |  | $ | 244.6 |
Other, excluding mutuals and reciprocals |  |  |  |  |  |  |  |
HG Global |  | 3.1 |  |  | 16.5 |  |  | 3.1 |  |  | 16.6 |
MediaAlpha |  | 40.0 |  |  | 11.0 |  |  | 40.0 |  |  | 11.7 |
Wobi |  | 5.0 |  |  | 1.0 |  |  | 5.0 |  |  | .7 |
Dewar |  | 18.8 |  |  | 3.4 |  |  | 18.8 |  |  | 3.9 |
Buzzmove |  | 29.1 |  |  | 2.8 |  |  | 29.1 |  |  | 2.9 |
Total other, excluding mutuals and reciprocals |  |  |  | 34.7 |  |  |  |  | 35.8 |
Mutuals and reciprocals |  |  |  |  |  |  |  |
BAM |  | 100.0 |  |  | (153.0 | ) |  | 100.0 |  |  | (150.9 | )
SSIE |  | — |  |  | — |  |  | 100.0 |  |  | 4.4 |
Total mutuals and reciprocals |  |  |  | (153.0 | ) |  |  |  | (146.5 | )
Total non-controlling interests |  |  |  |  | $ | 132.4 |  |  |  |  | $ | 133.9 |

X
- Definition The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 + Details
Name: | us-gaap_MinorityInterestDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NoncontrollingInterestAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration