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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2020
Earnings Per Share [Abstract]  
Schedule of Earnings per Share
The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts):
Three Months EndedNine Months Ended
September 30,September 30,
 2020201920202019
Numerator:    
Net income
$15,062 $34,761 $73,853 $110,464 
Denominator:    
Weighted-average common shares for calculating basic earnings per share
41,440 42,957 41,597 43,183 
Effect of dilutive securities:    
Stock options and restricted stock unit awards
96 210 94 175 
Weighted-average common shares for calculating diluted earnings per share
41,536 43,167 41,691 43,358 
Earnings per share:    
Basic$0.36 $0.81 $1.78 $2.56 
Diluted$0.36 $0.81 $1.77 $2.55