Common Shareholders’ Equity and Non-controlling Interests Common Shareholders’ Equity and Non-controlling Interests (Tables)

12 Months Ended

Dec. 31, 2014

Noncontrolling Interest [Line Items]

Noncontrolling Interest Disclosure [Text Block]

Non-controlling Interests

Non-controlling interests consist of the ownership interests of non-controlling shareholders in consolidated entities and are presented separately on the balance sheet. 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 December 31, 2014 and 2013:



	December 31, 2014					December 31, 2013
Millions	Non-controlling Percentage		Non-controlling Equity			Non-controlling Percentage		Non-controlling Equity
OneBeacon Ltd.	24.7	%	$	258.7		24.8	%	$	273.7
SIG Preference Shares	100.0		250.0			100.0		250.0

Other, excluding reciprocals
HG Global	3.1		17.9			2.7		16.6
QuoteLab	40.0		22.6			—		—
Tranzact	36.8		88.2			—		—
Wobi	36.7		5.4			—		—
Prospector Offshore Fund	23.4		31.1			28.3		32.1
Prospector Turtle Fund	—		—			31.1		14.1
Dewar	18.0		3.4			18.0		3.0
Total other, excluding reciprocals			168.6					65.8

Reciprocals
BAM	100.0		(121.9		)	100.0		(97.6		)
SSIE	100.0		(12.4		)	—		—
Total non-controlling interests			$	543.0				$	491.9

- 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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