Unaudited Quarterly Financial Data

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Unaudited quarterly financial data

26. Unaudited Quarterly Financial Data

The following is a summary of the unaudited quarterly financial data for 2012 and 2011:

	First		Second		Third		Fourth
(U.S. dollars in thousands, except per share amounts)	Quarter		Quarter		Quarter		Quarter
2012
Net premiums earned - P&C operations	$	1,357,898	$	1,400,972	$	1,468,553	$	1,538,559
Net premiums earned - Life operations		78,520		85,623		79,487		80,829
Underwriting profit (loss) - P&C operations		63,240		129,372		114,203		(90,677)
Net income (loss) attributable to ordinary shareholders		176,628		221,156		171,902		81,448
Net income (loss) per ordinary share and ordinary equivalent - basic	$	0.56	$	0.71	$	0.57	$	0.27
Net income (loss) per ordinary share and ordinary equivalent - diluted	$	0.56	$	0.71	$	0.56	$	0.27
2011
Net premiums earned - P&C operations	$	1,271,696	$	1,306,125	$	1,362,532	$	1,386,759
Net premiums earned - Life operations		89,687		92,214		90,794		90,323
Underwriting profit (loss) - P&C operations		(328,064)		67,049		(22,200)		(114,138)
Net income (loss) attributable to ordinary shareholders		(227,284)		225,663		42,398		(515,537)
Net income (loss) per ordinary share and ordinary equivalent - basic	$	(0.73)	$	0.73	$	0.14	$	(1.62)
Net income (loss) per ordinary share and ordinary equivalent - diluted	$	(0.73)	$	0.69	$	0.14	$	(1.62)