Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

The following table sets forth the reconciliation from basic to diluted weighted average shares outstanding and the calculations of net earnings per share (in thousands, except per share data):

	Three months ended				Nine months ended
	September 30,				September 30,
	2011		2010		2011		2010

Net earnings	$	90,726	$	75,773	$	240,569	$	182,091

Weighted average shares outstanding:
Basic		72,546		70,994		72,017		70,784
Dilutive potential common shares from stock options and restricted stock (1)		1,679		701		1,508		863
Dilutive potential common shares from conversion of Convertible Notes and Warrants (2)		4,186		-		1,364		-

Diluted		78,411		71,695		74,889		71,647

Basic net earnings per share	$	1.25	$	1.07	$	3.34	$	2.57

Diluted net earnings per share	$	1.16	$	1.06	$	3.21	$	2.54


(1) Potentially dilutive stock options and restricted stock totaling 43 shares and 3,931 shares for the three months ended September 30, 2011 and 2010, respectively, and 1,109 shares and 4,156 shares for the nine months ended September 30, 2011 and 2010, respectively, were excluded from the computation of diluted weighted average shares outstanding due to their antidilutive effect. (2) The average price of our common stock was $66.18 and $35.10 for the three months ended September 30, 2011 and 2010, respectively, and $57.15 and $40.33 for the nine months ended September 30, 2011 and 2010, respectively.