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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment  
Schedule of property, plant and equipment by major asset class

The following is a summary of property, plant and equipment by major asset class at December 31, (in millions):

 
  2012   2011  

Land

  $ 33.8   $ 32.3  

Building and leasehold improvements

    278.0     241.3  

Machinery, equipment, software and furniture and fixtures

    353.1     298.9  
           

 

    664.9     572.5  

Less accumulated depreciation and amortization

    (381.3 )   (323.5 )
           

Property, plant and equipment, net

  $ 283.6   $ 249.0