Basic and Diluted Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table reconciles the numerator and the denominator of the basic and diluted per share computations for earnings attributable to shareholders:

	Three months ended
	September 30,
(Amounts in thousands, except per share amounts)	Net earnings attributable to shareholders		Weighted average shares	Earnings per share
2017
Basic earnings attributable to shareholders	$	120,263	179,416	$	0.67
Effect of dilutive potential common shares	—		2,372	—
Diluted earnings attributable to shareholders	$	120,263	181,788	$	0.66
2016
Basic earnings attributable to shareholders	$	107,581	181,177	$	0.59
Effect of dilutive potential common shares	—		1,515	—
Diluted earnings attributable to shareholders	$	107,581	182,692	$	0.59

	Nine months ended
	September 30,
(Amounts in thousands, except per share amounts)	Net earnings attributable to shareholders		Weighted average shares	Earnings per share
2017
Basic earnings attributable to shareholders	$	322,378	179,827	$	1.79
Effect of dilutive potential common shares	—		2,124	—
Diluted earnings attributable to shareholders	$	322,378	181,951	$	1.77
2016
Basic earnings attributable to shareholders	$	320,217	181,645	$	1.76
Effect of dilutive potential common shares	—		1,313	—
Diluted earnings attributable to shareholders	$	320,217	182,958	$	1.75

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following potential common shares have been excluded from the computation of diluted earnings per share because the effect would have been antidilutive:

	Three months ended		Nine months ended
	September 30,		September 30,
	2017	2016	2017	2016
Shares	1	8,646	1,233	9,516