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Earnings Per Share
6 Months Ended
Jun. 20, 2021
Earnings Per Share [Abstract]  
Earnings Per Share
3. Earnings Per Share
 
    
Fiscal Quarter Ended
    
Two Fiscal Quarters Ended
 
    
June 20,

2021
    
June 14,

2020
    
June 20,

2021
    
June 14,

2020
 
Net income available to common stockholders - basic and diluted
   $ 116,619      $ 118,668      $ 234,380      $ 240,270  
    
 
 
    
 
 
    
 
 
    
 
 
 
Basic weighted average number of shares
     37,590,369        39,058,292        38,145,297        38,862,108  
Earnings per share – basic
   $ 3.10      $ 3.04      $ 6.14      $ 6.18  
Diluted weighted average number of shares
     38,122,515        39,746,479        38,665,325        39,688,663  
Earnings per share – diluted
   $ 3.06      $ 2.99      $ 6.06      $ 6.05  
The denominator used in calculating diluted earnings per share for the second quarter of 2021 did not include 84,955
 
options to purchase common stock, as the effect of including these options would have been anti-dilutive. The denominator used in calculating diluted earnings per share for the two fiscal quarters of 2021 did not include
92,689 options to purchase common stock
,
as the effect of including these options would have been anti-dilutive.
The denominators used in calculating diluted earnings per share for the second quarter and two fiscal quarters of 2021 each did not include 
64,110
restricted performance shares, as the performance targets for these awards had not yet been met.
The denominator used in calculating diluted earnings per share for the two fiscal quarters of 2020 did not include 263 options to purchase common stock and 1,760 restricted stock awards, as the effect of including these options and awards would have been anti-dilutive. The denominators used in calculating diluted earnings per share for the second quarter and two fiscal quarters of 2020 each did not include 90,472 restricted performance shares, as the performance targets for these awards had not yet been met.