Acquisitions and Disposals (Tables)

12 Months Ended

Dec. 31, 2017

Calculation of the consideration transferred in acquisition

The calculation of the consideration transferred to acquire Catlin Shares is as follows:



(In thousands, except per share data)
Catlin Shares outstanding as of April 30, 2015 that received share consideration (including the dilutive effect of warrants)	384,118
Exchange ratio per the Implementation Agreement	0.130
XL-Ireland Share issuance to Catlin shareholders	49,935
Closing price per XL share on April 30, 2015 (1)	$	37.08
XL-Ireland Share issuance consideration	$	1,851,601
Catlin Shares outstanding as of April 30, 2015 that received cash consideration (including the dilutive effect of warrants)	384,118
Cash price component, per Catlin Share in GBP	£	3.88
Cash consideration, in GBP	£	1,490,377
Foreign exchange rate: GBP/USD on April 30, 2015	$	1.5349
Cash consideration	$	2,287,579
Total acquisition consideration	$	4,139,180

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(1)	The closing market price of XL Shares on the Acquisition Date represents the fair value of XL shares issued as part of the Acquisition Consideration.

Schedule of restructuring costs

As a part of the integration of Catlin's operations, the Company incurred costs associated with restructuring systems, processes and workforce. The Company completed the integration during the second quarter of 2017 and will not incur further expenses related to this integration. These costs include such items as severance, retention, facilities and consulting and other costs. The Company separately identifies such costs and includes these expenses within Corporate and Other in its segment disclosure in Note 3, "Segment Information." Costs incurred and payments made for the year ended December 31, 2017 are as follows:



(U.S. dollars in thousands)	Severance related costs		Retention and other compensation costs		Facilities-related costs		Consulting and other		Total
Liabilities at December 31, 2016	$	25,360	$	4,481	$	18	$	7,107	$	36,966
Costs incurred in 2017	19,794		9,561		11,051		32,661		73,067
2017 payments	37,354		13,744		4,574		34,208		89,880
Liabilities at December 31, 2017	$	7,800	$	298	$	6,495	$	5,560	$	20,153

Results since acquisition



(U.S. dollars in thousands)	May 1, 2015 to December 31, 2015
Total revenues - see comments above	$	2,791,789
Net income (loss) - see comments above	$	103,637

Supplemental Pro Forma information

The following table presents unaudited pro forma consolidated information for the year ended December 31, 2015 and assumes the Catlin Acquisition occurred on January 1, 2014. The pro forma financial information is presented for informational purposes only and does not necessarily reflect the results that would have occurred had the acquisition taken place on January 1, 2014, nor is it necessarily indicative of future results. Significant adjustments used to determine pro forma results include amortization of intangible assets and amortization of fair value adjustments discussed above, and the corresponding income tax effects. Non-recurring transaction related costs noted above have been included in the unaudited pro forma results for the year ended December 31, 2015.



	Unaudited Pro Forma
(In thousands, except per share data)	2015
Total revenues	$	10,628,915
Net income attributable to common shareholders	1,221,497
Earnings (loss) per common share and common share equivalent – basic	4.03
Earnings (loss) per common share and common share equivalent – diluted	3.97