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Property, Plant and Equipment
3 Months Ended
Mar. 31, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
4.

Property, Plant and Equipment

 

 

                 
    March 31,
2012
    December 31,
2011
 
    (in millions)  

Land

  $ 22.1     $ 22.3  

Buildings and equipment

    1,212.2       1,196.8  

Capitalized software costs

    209.8       208.4  

Instruments

    1,526.1       1,509.2  

Construction in progress

    81.0       76.4  
   

 

 

   

 

 

 
      3,051.2       3,013.1  

Accumulated depreciation

    (1,858.5     (1,805.8
   

 

 

   

 

 

 

Property, plant and equipment, net

  $ 1,192.7     $ 1,207.3