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Computation of Earnings Per Share
12 Months Ended
Dec. 31, 2012
Earnings Per Share [Text Block]

9 — COMPUTATION OF EARNINGS PER SHARE


Basic earnings per share (“EPS”) is computed by dividing net income by the weighted average number of shares of Common Stock outstanding for the period. Diluted EPS reflects the potential dilution of securities that could share in earnings. When the impact of common share equivalents is antidilutive, they are excluded from the calculation.


The following table sets forth the reconciliation of the basic and diluted earnings per share computations (in thousands, except per share amounts) for the years ended December 31:


    2012     2011     2010    
Numerator:                  
Net income used for calculating basic and diluted earnings per common share   $ 165,903     $ 136,902     $ 96,285  
Denominator: (1)                        
Weighted average number of common shares used in the calculation of basic earnings per share     93,444       96,019       95,747  
Common share equivalents associated with stock-based compensation plans     2,398       2,827       4,087  
Shares used in the calculation of diluted earnings per share     95,842       98,846       99,834  
Earnings per share:                        
Basic   $ 1.78     $ 1.43     $ 1.01  
Diluted   $ 1.73     $ 1.39     $ 0.96  

(1) During 2012, 2011 and 2010, the Company repurchased 2.7 million, 5.9 million, and 3.9 million shares of its Common Stock, respectively.

The following table presents the number of common share equivalents that were not included in the computation of diluted EPS in the table above because the effect would have been antidilutive. During periods with net income, these common share equivalents were antidilutive because their exercise price was greater than the average market value of a share of Common Stock during the period.


    2012     2011     2010  
Antidilutive common share equivalents as of December 31 (in millions):       0.7       0.5       0.5  
Average market price per share of Common Stock during the year     $ 43.80     $ 37.53     $ 26.35