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Goodwill and Other Intangible Assets
9 Months Ended
Sep. 30, 2012
Goodwill and Other Intangible Assets  
Goodwill and Other Intangible Assets

15.   Goodwill and Other Intangible Assets

        The following table shows the carrying amount of goodwill by business segment at September 30, 2012 and December 31, 2011:

 
  Nitrogen   Phosphate   Total  

Balance by segment

  $ 2,063.6   $ 0.9   $ 2,064.5  

        The identifiable intangibles and carrying values are shown below. The Company's intangible assets are presented in other assets on our consolidated balance sheets.

 
  At September 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   $ (6.9 ) $ 43.1   $ 50.0   $ (4.9 ) $ 45.1  

TerraCair Brand

    10.0     (2.5 )   7.5     10.0     (1.7 )   8.3  
                           

Total intangible assets

  $ 60.0   $ (9.4 ) $ 50.6   $ 60.0   $ (6.6 ) $ 53.4  
                           

        Amortization expense of our identifiable intangibles was $0.9 million for both the three months ended September 30, 2012 and 2011, respectively, and was $2.8 million for both the nine months ended September 30, 2012 and 2011, respectively.

        Total estimated amortization expense for the remainder of 2012 and the five succeeding fiscal years is as follows:

 
  Estimated
Amortization
Expense
 
 
  (in millions)
 

Remainder of 2012

  $ 1.0  

2013

    3.8  

2014

    3.8  

2015

    3.8  

2016

    3.8  

2017

    3.8  
       

 

  $ 20.0