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Earnings Per Share
 9 Months Ended
Sep. 28, 2012
Earnings Per Share Abstract  
Earnings Per Share Text Block

2.       The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts):

   Thirteen Weeks Ended Thirty-nine Weeks Ended
   Sep 28, Sep 30, Sep 28, Sep 30,
   2012 2011 2012 2011
              
 Net earnings available to           
  common shareholders$ 37,131 $ 36,552 $ 106,864 $ 111,904
              
 Weighted average shares           
  outstanding for basic           
  earnings per share  60,570   60,430   60,369   60,474
              
 Dilutive effect of stock           
  options computed using the           
  treasury stock method and           
  the average market price  1,208   985   1,271   1,141
              
 Weighted average shares           
  outstanding for diluted           
  earnings per share  61,778   61,415   61,640   61,615
              
 Basic earnings per share$ 0.61 $ 0.60 $ 1.77 $ 1.85
              
 Diluted earnings per share$ 0.60 $ 0.60 $ 1.73 $ 1.82

Stock options to purchase 945,000 and 1,161,000 shares were not included in the September 28, 2012 and September 30, 2011 computations of diluted earnings per share, respectively, because they would have been anti-dilutive.