Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Revenue and Income (Loss) Before Income Taxes for Each Segment

Revenue and (loss) income before income taxes for each segment were as follows:

	For the Three Months Ended March 31,
(in millions)	2020		2019
Revenue:
Earned premiums
U.S. Operations	$	302.5	$	273.8
International Operations	132.3		146.7
Run-off Lines	0.2		—
Total earned premiums	435.0		420.5
Net investment income
U.S. Operations	25.2		23.1
International Operations	8.6		9.1
Run-off Lines	1.2		1.4
Corporate and Other	0.5		0.3
Total net investment income	35.5		33.9
Fee and other income	2.1		2.3
Net realized investment (losses) gains	(36.1)		52.5
Total revenue	$	436.5	$	509.2

	For the Three Months Ended March 31,
(in millions)	2020		2019
Income (loss) before income taxes
U.S. Operations	$	36.9	$	42.9
International Operations	(12.3)		16.2
Run-off Lines	0.5		0.6
Total segment income before taxes	25.1		59.7
Corporate and Other	(10.3)		(10.9)
Net realized investment and other (losses) gains	(36.1)		52.5
Foreign currency exchange gains (loss)	3.0		(0.7)
Other corporate expenses	(3.3)		(0.5)
Total (loss) income before income taxes	$	(21.6)	$	100.1

Schedule of Earned Premiums by Geographic Location

The table below presents earned premiums by geographic location for the three months ended March 31, 2020 and 2019. For this disclosure, we determine geographic location by the country of domicile of our subsidiaries that underwrite the business and not by the location of insureds or reinsureds from whom the business was generated.

	For the Three Months Ended March 31,
(in millions)	2020		2019
United States	$	299.7	$	272.6
United Kingdom	86.7		97.1
Bermuda	21.2		16.6
Malta	11.8		20.8
All other jurisdictions	15.6		13.4
Total earned premiums	$	435.0	$	420.5

Identifiable Assets

The following table represents identifiable assets:

(in millions)	March 31, 2020		December 31, 2019
U.S. Operations	$	5,656.8	$	5,009.0
International Operations	3,991.3		5,002.4
Run-off Lines	336.6		356.9
Corporate and Other	216.6		146.2
Total	$	10,201.3	$	10,514.5