Non-controlling Interest (Tables)

3 Months Ended

Mar. 31, 2015

Noncontrolling Interest [Line Items]

Noncontrolling Interest Disclosure [Text Block]

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, 2015 and December 31, 2014:



	March 31, 2015					December 31, 2014
$ in millions	Non-controlling Percentage		Non-controlling Equity			Non-controlling Percentage		Non-controlling Equity
OneBeacon Ltd.	24.7	%	$	258.8		24.7	%	$	258.4
SIG Preference Shares	100.0		250.0			100.0		250.0

Other, excluding mutuals and reciprocals
HG Global	3.1		17.7			3.1		17.9
MediaAlpha	40.0		22.0			40.0		22.6
Tranzact	36.8		81.8			36.8		88.2
Wobi	36.7		4.7			36.7		5.4
Prospector Offshore Fund	32.4		31.0			23.4		31.1
Dewar	20.3		3.0			18.0		3.4
Total other, excluding mutuals and reciprocals			160.2					168.6

Mutuals and reciprocals
BAM	100.0		(127.0		)	100.0		(121.9		)
SSIE	100.0		(13.5		)	100.0		(12.4		)
Total non-controlling interests			$	528.5				$	542.7

- 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.

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