Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Acquired Finite-Lived Intangible Assets [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

January 1, 2019 through March 31, 2020:

$ in Millions
Acquisition of subsidiary/ asset	Goodwill and Other intangible asset (1)		Acquisition Date
Embrace (2)	$	67.6	April 1, 2019
Renewal Rights (3)	82.5		June 28, 2019
Total NSM segment	$	150.1
Kudu Transaction	$	9.8	April 4, 2019
Other Operations	$	22.6	Various

⁽¹⁾

Schedule of Intangible Assets and Goodwill

The following tables presents the change in goodwill and other intangible assets for the three months ended March 31, 2020 and 2019:

	Three Months Ended March 31,
	2020									2019
Millions	Goodwill			Other Intangible Assets			Total Goodwill and Other Intangible Assets			Goodwill			Other Intangible Assets			Total Goodwill and Other Intangible Assets
Beginning balance	$	394.7		$	260.0		654.7			$	379.9		$	157.6		$	537.5
Deconsolidation of MediaAlpha	—			—			—			(18.3		)	(23.5		)	(41.8		)
Attribution of acquisition date fair value estimates    between goodwill and other intangible assets	—			—			—			(26.8		)	26.8			—
Acquisitions of businesses	—			—			—			13.4			—			13.4
Foreign currency translation	(2.5		)	(.5		)	(3.0		)	1.2			.3			1.5
Adjustments to reflect acquisition date fair value	.2			—			.2			.3			5.9			6.2
Amortization	—			(5.1		)	(5.1		)	—			(6.6		)	(6.6		)
Ending balance	$	392.4		$	254.4		$	646.8		$	349.7		$	160.5		$	510.2

Weighted Average [Member]

Acquired Finite-Lived Intangible Assets [Line Items]

Schedule of Intangible Assets and Goodwill

The following table presents the acquisition date fair values, accumulated amortization and net carrying values for other intangible assets and goodwill, by company as of March 31, 2020 and December 31, 2019:

$ in Millions	Weighted Average Economic  Life (in years)	March 31, 2020							December 31, 2019
		Acquisition Date Fair Value		Accumulated Amortization		Net Carrying Value			Acquisition Date Fair Value		Accumulated Amortization		Impairments		Net Carrying Value
Goodwill:
NSM (1)	N/A	$	379.1	$	—	$	379.1		$	381.6	$	—	$	—	$	381.6
Kudu	N/A	7.6		—		7.6			7.6		—		—		7.6
Other Operations	N/A	5.7		—		5.7			13.1		—		7.6		5.5
Total goodwill		392.4		—		392.4			402.3		—		7.6		394.7
Other intangible assets:
NSM (1)
Customer relationships	9	120.1		23.5		96.6			121.7		19.8		1.4		100.5
Trade names	19	61.2		5.8		55.4			61.9		5.3		.4		56.2
Information       technology platform	5	3.1		1.3		1.8			3.9		1.4		.6		1.9
Renewal rights	12	82.5		1.0		81.5			82.5		.7		—		81.8
Other	3	1.7		.9		.8			1.7		.7		—		1.0
Subtotal		268.6		32.5		236.1			271.7		27.9		2.4		241.4
Kudu
Trade names	7	2.2		.3		1.9			2.2		.2		—		2.0
Other Operations
Trade names	10	1.0		.1		.9			1.7		.5		.2		1.0
Customer relationships	11	7.2		.5		6.7			7.2		.4		—		6.8
Information       technology platform	5	—		—		—			.5		.3		.2		—
Insurance Licenses	N/A	8.6		—		8.6			8.6		—		—		8.6
Other	5	.2		—		.2			.2		—		—		.2
Subtotal		17.0		.6		16.4			18.2		1.2		.4		16.6
Total other intangible assets		287.8		33.4		254.4			292.1		29.3		2.8		260.0
Total goodwill and other    intangible assets		$	680.2	$	33.4	646.8			$	694.4	$	29.3	10.4		654.7
Goodwill and other intangible assets attributed to    non-controlling interests						(23.5		)							(23.4		)
Goodwill and other intangible assets included in    White Mountains’s common shareholders’ equity						$	623.3								$	631.3

⁽¹⁾ As of March 31, 2020, NSM’s goodwill and intangible assets included $(2.5) and $(0.5) of the effect of foreign currency translation. As of December 31, 2019, NSM’s goodwill and intangible assets included $1.4 and $0.7 of the effect of foreign currency translation.