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Supplemental Balance Sheet Information (Tables)
3 Months Ended
Apr. 01, 2012
General and Supplemental Balance Sheet Information [Abstract]  
Company's product warranty reserve
                 
    First Quarter  
    2012     2011  

Balance at beginning of year

  $ 13.3     $ 13.0  

Accruals for product warranties charged to expense

    3.3       1.0  

Cost of product warranty claims

    (1.2     (1.1

Acquisitions

    —         1.1  
   

 

 

   

 

 

 

Balance at end of period

  $ 15.4     $ 14.0