Basic and Diluted Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2018

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
2018
Basic earnings attributable to shareholders	$	162,692	173,394	$	0.94
Effect of dilutive potential common shares	—		3,779	—
Diluted earnings attributable to shareholders	$	162,692	177,173	$	0.92
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

	Nine months ended
	September 30,
(Amounts in thousands, except per share amounts)	Net earnings attributable to shareholders		Weighted average shares	Earnings per share
2018
Basic earnings attributable to shareholders	$	438,989	174,675	$	2.51
Effect of dilutive potential common shares	—		3,772	—
Diluted earnings attributable to shareholders	$	438,989	178,447	$	2.46
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