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Goodwill and Other Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2012
Goodwill and Other Intangible Assets  
Schedule of carrying amount of goodwill by business segment

 

 
  Nitrogen   Phosphate   Total  

Balance by segment

  $ 2,063.6   $ 0.9   $ 2,064.5  
 
Schedule of the identifiable intangibles and their carrying values presented in other noncurrent assets on consolidated balance sheet

 

 
  At June 30, 2012   At December 31, 2011  
 
  Gross
Carrying
Amount
  Accumulated
Amortization
  Net   Gross
Carrying
Amount
  Accumulated
Amortization
  Net  
 
   
   
  (in millions)
   
   
 

Intangible assets:

                                     

Customer Relationships

  $ 50.0   $ (6.3 ) $ 43.7   $ 50.0   $ (4.9 ) $ 45.1  

TerraCair Brand

    10.0     (2.2 )   7.8     10.0     (1.7 )   8.3  
                           

Total intangible assets

  $ 60.0   $ (8.5 ) $ 51.5   $ 60.0   $ (6.6 ) $ 53.4  
                           
 
Schedule of estimated future amortization expense

 

 
  Estimated
Amortization
Expense
 
 
  (in millions)
 

Remainder of 2012

  $ 1.9  

2013

    3.8  

2014

    3.8  

2015

    3.8  

2016

    3.8  

2017

    3.8  
       

 

  $ 20.9