Computation of Earnings Per Ordinary Share and Ordinary Share Equivalent (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Calculation of earnings per share

The following table sets forth the computation of basic and diluted earnings per share for the three months ended March 31, 2014 and 2013:

	Three Months Ended March 31,
(U.S. dollars in thousands, except per share amounts)	2014		2013
Basic earnings per ordinary share & ordinary share equivalents outstanding:
Net income (loss) attributable to ordinary shareholders	$	255,717	$	350,790
Weighted average ordinary shares outstanding - basic	276,337		295,000
Basic earnings per ordinary share & ordinary share equivalents outstanding	$	0.93	$	1.19
Diluted earnings per ordinary share & ordinary share equivalents outstanding:
Weighted average ordinary shares outstanding - basic	276,337		295,000
Impact of share-based compensation and certain conversion features	4,121		4,469
Weighted average ordinary shares outstanding - diluted	280,458		299,469
Diluted earnings per ordinary share & ordinary share equivalents outstanding	$	0.91	$	1.17
Dividends per ordinary share	$	0.16	$	0.14