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Note I - Common Stock and Earnings Per Share (Tables)
6 Months Ended
Jul. 03, 2021
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
                 
  

Quarter Ended

  

Six Months Ended

 
  

July 3,

  

June 27,

  

July 3,

  

June 27,

 
  

2021

  

2020

  

2021

  

2020

 

Net earnings available to common shareholders

 $38,234  $27,977  $68,855  $54,529 

Weighted average common shares outstanding - basic

  20,247   21,034   20,570   21,265 

Dilutive effect of in-the-money equity awards

  199   95   201   75 

Weighted average common shares outstanding - diluted

  20,446   21,129   20,771   21,340 

Earnings per common share from net earnings - basic

 $1.89  $1.33  $3.35  $2.56 

Earnings per common share from net earnings - diluted

 $1.87  $1.32  $3.31  $2.56 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
                 
  

Quarter Ended

  

Six Months Ended

 
  

July 3,

  

June 27,

  

July 3,

  

June 27,

 
  

2021

  

2020

  

2021

  

2020

 
   59   284   58   550