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Commitments and Contingencies (Tables)
 6 Months Ended
Jul. 03, 2021
Loss Contingency [Abstract]  
Schedule of activity related to our environmental liabilities
The activity related to our environmental liabilities for the six months ended July 3, 2021 is shown below.
 
(In millions)        
Balance at January 2, 2021
    $ 21.1  
Charges, net of reversals
      .9  
Payments
      (1.2 ) 
Balance at July 3, 2021
    $                     20.8