CF Industries Holdings, Inc. | 2013 | FY | 3


 

 

 
  Phosphogypsum
Stack
System Costs
  Mine
Reclamation
Costs
  Other
AROs
  Total  
 
  (in millions)
 

Obligation at December 31, 2010

  $ 52.1   $ 61.3   $ 6.4   $ 119.8  

Accretion expense

    3.9     5.1     0.4     9.4  

Liabilities incurred

        2.4         2.4  

Expenditures

    (2.8 )   (2.7 )   (0.5 )   (6.0 )

Change in estimate

    1.7     1.5     2.8     6.0  
                   

Obligation at December 31, 2011

    54.9     67.6     9.1     131.6  

Accretion expense

    4.1     5.3     0.4     9.8  

Liabilities incurred

    12.5     0.9         13.4  

Expenditures

    (1.5 )   (3.3 )   (1.4 )   (6.2 )

Change in estimate

    0.1     (3.8 )   0.1     (3.6 )
                   

Obligation at December 31, 2012

    70.1     66.7     8.2     145.0  

Accretion expense

    4.7     5.2     0.4     10.3  

Liabilities incurred

        2.5         2.5  

Expenditures

    (0.6 )   (2.3 )   (1.3 )   (4.2 )

Change in estimate

    4.7     9.3     (1.0 )   13.0  
                   

Obligation at December 31, 2013

  $ 78.9   $ 81.4   $ 6.3   $ 166.6  
                   
                   

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