Basic and Diluted Earnings per Share

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Basic and Diluted Earnings per Share

Basic and Diluted Earnings per Share

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

	Three months ended
	September 30,
(Amounts in thousands, except share and per share amounts)	Net earnings attributable to shareholders		Weighted average shares	Earnings per share
2012
Basic earnings attributable to shareholders	$	88,490	210,135,763	$	.42
Effect of dilutive potential common shares	—		1,261,839	—
Diluted earnings attributable to shareholders	$	88,490	211,397,602	$	.42
2011
Basic earnings attributable to shareholders	$	106,604	212,256,119	$	.50
Effect of dilutive potential common shares	—		2,461,332	—
Diluted earnings attributable to shareholders	$	106,604	214,717,451	$	.50

	Nine months ended
	September 30,
(Amounts in thousands, except share and per share amounts)	Net earnings attributable to shareholders		Weighted average shares	Earnings per share
2012
Basic earnings attributable to shareholders	$	249,152	211,314,850	$	1.18
Effect of dilutive potential common shares	—		1,601,459	—
Diluted earnings attributable to shareholders	$	249,152	212,916,309	$	1.17
2011
Basic earnings attributable to shareholders	$	292,836	212,160,994	$	1.38
Effect of dilutive potential common shares	—		3,215,681	—
Diluted earnings attributable to shareholders	$	292,836	215,376,675	$	1.36

The following 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,
	2012	2011	2012	2011
Shares	15,265,732	8,550,014	15,211,875	7,281,935