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Commitments and Contingencies (Tables)
 6 Months Ended
Jul. 02, 2011
Commitments and Contingencies [Abstract]  
Cost of Environmental Liabilities Associated with Compliance and Remediation
The activity for the six months ended July 2, 2011 related to environmental liabilities was as follows:
         
(In millions)        
 
Balance at January 1, 2011
  $ 46.3  
Accruals
    .6  
Payments
    (2.4 )
 
Balance at July 2, 2011
  $ 44.5