text: For the year ended December 31, 2002: 
  Net earnings per share, basic 
  Effect of stock options 
  Net earnings per share, assuming dilution 
  
  For the year ended December 31, 2001: 
  Net earnings per share, basic 
  Effect of stock options 
  Net earnings per share, assuming dilution 
  
  For the year ended December 31, 2000: 
  Net earnings per share, basic 
  Effect of stock options 
  Net earnings per share, assuming dilution 
  
  Reclassifications 
  
  Certain 2001 and 2000 amounts have been reclassified to conform to the 2002 presentation. 