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Earnings Per Share (Tables)
6 Months Ended
Jul. 02, 2011
Earnings Per Share (Tables) [Abstract]  
Earnings Per Share
                                 
    Thirteen Weeks Ended     Twenty-six Weeks Ended  
    July 2,     July 3,     July 2,     July 3,  
    2011     2010     2011     2010  
Net income
  $ 59,731     $ 67,727     $ 116,041     $ 138,055  
 
                       
 
                               
Weighted average shares
    159,383       162,325       159,931       163,747  
 
                       
 
                               
Basic EPS
  $ 0.37     $ 0.42     $ 0.73     $ 0.84  
 
                       
 
                               
Weighted average shares, including the dilutive effect of stock-based awards (3,290 and 3,112 for the thirteen weeks ended July 2, 2011 and July 3, 2010, respectively, and 3,897 and 3,322 for the twenty-six weeks ended July 2, 2011 and July 3, 2010, respectively)
    162,673       165,437       163,828       167,069  
 
                       
 
                               
Diluted EPS
  $ 0.37     $ 0.41     $ 0.71     $ 0.83