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Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2012
Property, Plant and Equipment  
Summary of Changes in Property, Plant and Equipment
   
December 31,
2011
   
Capital Expenditures
(Depreciation)
   
Transfers
and
Retirements
   
June 30,
2012
 
Construction work in progress
  $ 1,111.2     $ 1.0     $ (47.0 )   $ 1,065.2  
Leasehold improvements                                          
    182.9       -       0.6       183.5  
Machinery and equipment
    251.2       0.9       (5.1 )     247.0  
      1,545.3       1.9       (51.5 )     1,495.7  
Accumulated depreciation and amortization
     (358.2 )     (13.8 )      6.9        (365.1 )
    $ 1,187.1     $ (11.9 )   $ (44.6 )   $ 1,130.6