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Net Earnings Per Share Net Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
Reconciliation of the numerator and denominator utilized in the computation of basic and diluted 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
June 30,
 
Six Months Ended
June 30,
 
2012
 
2011(1)
 
2012
 
2011(1)
Numerator for earnings per share:
 
 
 
 
 
 
 
Earnings from continuing operations
$
42,405

 
$
29,823

 
$
91,230

 
$
81,426

Loss from discontinued operations
(1,312
)
 
(514
)
 
(1,998
)
 
(802
)
Net earnings for basic and diluted earnings per share
$
41,093

 
$
29,309

 
$
89,232

 
$
80,624

 
 
 
 
 
 
 
 
Denominator for earnings per share:
 
 
 
 
 
 
 
Weighted average number of common shares outstanding
153,172

 
159,796

 
153,829

 
159,599

Assumed exercises of stock options and vesting of restricted stock awards, net of shares assumed reacquired under the treasury stock method
1,861

 
2,754

 
2,154

 
2,828

Weighted average diluted shares outstanding
155,033

 
162,550

 
155,983

 
162,427

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