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Stock Award Plans (Tables)
9 Months Ended
Sep. 30, 2020
Stock Award Plans [Abstract]  
Compensation Cost Breakdown in Statement of Earnings

The compensation cost that has been charged against earnings for the Company’s stock award plans and the income tax benefit recognized in the statement of earnings for stock awards were as follows (in thousands):

 
Three months ended September 30,
   
Nine months ended September 30,
 
   
2020
   
2019
   
2020
   
2019
 
Compensation cost
 
$
3,414
   
$
3,172
   
$
12,066
   
$
11,079
 
Income tax benefit
 
$
1,181
   
$
813
   
$
3,332
   
$
2,722