Earnings Per Common Share Computation

9 Months Ended

Sep. 30, 2011

Earnings Per Common Share Computation

Earnings Per Common Share Computation

9. EARNINGS PER COMMON SHARE COMPUTATION

Detail supporting the computation of basic and diluted earnings per common share was as follows for the three and nine months ended September 30, 2011 and 2010:

	Three months ended September 30,				Nine months ended September 30,
	2011		2010		2011		2010
	(in thousands, except per common share results)
Net income available for common stockholders	$	444,760	$	393,221	$	1,220,223	$	992,065
Weighted average outstanding shares of common stock used to compute basic earnings per common share		164,121		167,574		166,138		168,082
Dilutive effect of:
Employee stock options		895		634		962		589
Restricted stock		1,564		1,374		1,458		1,293
Shares used to compute diluted earnings per common share		166,580		169,582		168,558		169,964
Basic earnings per common share	$	2.71	$	2.35	$	7.34	$	5.90
Diluted earnings per common share	$	2.67	$	2.32	$	7.24	$	5.84
Number of antidilutive stock options and restricted stock excluded from computation		168		3,256		1,017		4,355