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

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Calculation of earnings per share

The following table sets forth the computation of basic and diluted earnings per ordinary share for the three months ended March 31, 2015 and 2014:

	Three Months Ended March 31,
(U.S. dollars in thousands, except per share amounts)	2015		2014
Basic earnings per ordinary share & ordinary share equivalents outstanding:
Net income (loss) attributable to ordinary shareholders	$	36,281	$	255,717
Weighted average ordinary shares outstanding, in thousands - basic	255,724		276,337
Basic earnings per ordinary share & ordinary share equivalents outstanding	$	0.14	$	0.93
Diluted earnings per ordinary share & ordinary share equivalents outstanding:
Weighted average ordinary shares outstanding, in thousands - basic	255,724		276,337
Impact of share-based compensation and certain conversion features, in thousands	4,980		4,121
Weighted average ordinary shares outstanding, in thousands - diluted	260,704		280,458
Diluted earnings per ordinary share & ordinary share equivalents outstanding	$	0.14	$	0.91
Dividends per ordinary share	$	0.16	$	0.16