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Note 7 - Earnings Per Share
 9 Months Ended
Sep. 26, 2015
Notes to Financial Statements  
Earnings Per Share [Text Block]
7
.
Earnings per Share
 
The following table sets forth the computation of basic and diluted earnings per share for the periods ended September 26, 2015 and September 27, 2014 (in thousands except per share amounts).
 
   
For the Three Months Ended
    
For the Nine Months Ended
  
 
  
September 26, 2015
   
September 27, 2014
   
September 26, 2015
    
September 27, 2014
  
                                 
Net income
 
$
11,324
     $ 29,940  
 
$
60,003
     $ 79,907  
                                 
Average shares outstanding - Basic
 
 
22,581
       22,536  
 
 
22,623
       22,536  
                                 
Net effect of dilutive stock options and restricted share units
 
 
112
       153  
 
 
148
       186  
                                 
Average shares - Diluted
 
 
22,693
       22,689  
 
 
22,771
       22,722  
                                 
Net income per share:
                                
Basic
 
$
.50
     $ 1.33  
 
$
2.65
     $ 3.55  
Diluted
 
$
.50
     $ 1.32  
 
$
2.64
     $ 3.52  
 
Potential shares of common stock relating to stock options excluded from the earnings per share calculation because their effect would be anti-dilutive were 144,031 and 64,520 for the three months ended September 26, 2015 and September 27, 2014, respectively, and 108,193 and 36,698 for the nine months ended September 26
, 2015
and September 27
, 2014
, respectively.