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Net Income Per Share
 6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
Net Income Per Share Net Income Per Share
The following shows a reconciliation of basic net earnings ("EPS") per share to diluted EPS:
 
Three Months Ended 
 
June 30,		Six Months Ended 
 
June 30,
(in thousands, except per share amounts)2022202120222021
Net income available to common stockholders$93,570 $72,483 $188,145 $122,872 
Basic weighted-average shares outstanding43,145 43,434 43,162 43,406 
Dilutive effect of potential common stock equivalents — restricted stock units95 207 144 214 
Diluted weighted-average shares outstanding43,240 43,641 43,306 43,620 
Net income per common share:    
Basic$2.17 $1.67 $4.36 $2.83 
Diluted$2.16 $1.66 $4.34 $2.82