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Taxes On Income From Continuing Operations (Tables)
6 Months Ended
Jul. 01, 2012
Schedule Of Effective Income Tax Rate
     Three Months Ended     Six Months Ended  
     July 1,
2012
    June 26,
2011
    July 1,
2012
    June 26,
2011
 

Effective income tax rate

     (0.6 )%      21.3     1.8     22.6