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Income Taxes (Tables)
6 Months Ended
Jul. 02, 2011
Income Taxes  
Summary Of Effective Tax Rate
     Three Months Ended     Six Months Ended  
     July 2, 2011     July 3, 2010     July 2, 2011     July 3, 2010  

Effective tax rate

     28.3     31.8     30.2     27.9