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Net Earnings Per Share
 3 Months Ended
Mar. 31, 2012
Earnings Per Share [Abstract]  
Net Earnings Per Share
Net Earnings Per Share
The following table sets forth the reconciliation of the numerator and denominator utilized in the computation of basic and diluted earnings per share (in thousands):
 
 
Three Months Ended
March 31,
 
2012
 
2011(1)
Numerator for earnings per share:
 
 
 
Earnings from continuing operations
$
48,825

 
$
51,606

Loss from discontinued operations
(686
)
 
(291
)
Net earnings for basic and diluted earnings per share
$
48,139

 
$
51,315

 
 
 
 
Denominator for earnings per share:
 
 
 
Weighted average number of common shares outstanding
154,485

 
159,400

Assumed exercises of stock options and vesting of restricted stock awards, net of shares assumed reacquired under the treasury stock method
2,487

 
2,910

Weighted average diluted shares outstanding
156,972

 
162,310

_______________
(1)    Amounts have been adjusted for the reclassification of certain discontinued operations to continuing operations.

The effect of stock-based compensation awards for the three months ended March 31, 2012 and 2011, which aggregated 470,000 shares and 191,000 shares, respectively, has been excluded for purposes of calculating diluted earnings per share since including such stock-based compensation awards would have been anti-dilutive.