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Earnings Per Share
3 Months Ended
Mar. 31, 2012
Earnings Per Share [Abstract]  
Earnings Per Share

NOTE 21 Earnings Per Share (“EPS”)

Basic EPS is computed by dividing earnings available to common shareholders by the weighted-average number of common shares outstanding. Diluted EPS reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in the earnings of the entity. Diluted earnings per share include dilutive stock options and stock units under the treasury stock method.

The following table sets forth the computation of basic and diluted earnings per share for the three months ended March 31, 2012 and 2011 (in thousands, except per share data):

 

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

 

 

2012

 

2011

 

 

 

 

 

 

 

 

 

Net income

 

$

34,773

 

$

31,398

 

Shares for basic and diluted calculations:

 

 

 

 

 

 

 

Average shares used in basic computation

 

 

53,243

 

 

52,534

 

Dilutive effect of stock options and units (1)

 

 

9,426

 

 

10,645

 

Average shares used in diluted computation

 

 

62,669

 

 

63,179

 

Net income per share:

 

 

 

 

 

 

 

Basic

 

$

0.65

 

$

0.60

 

Diluted (1)

 

$ 

0.55

 

$

0.50

 

 

 

 

 

 

 

 

 

 (1)      Diluted earnings per share is computed on the basis of the weighted average number of shares of common stock plus the effect of dilutive potential common shares outstanding during the period using the treasury stock method. Diluted earnings per share include stock options and units.

For the three months ended March 31, 2012 and 2011, the anti-dilutive effect from restricted stock units was immaterial.