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3. Goodwill and Intangible Assets
12 Months Ended
Sep. 30, 2011
Goodwill And Intangible Assets Disclosure Abstract 
3. Goodwill and Intangible Assets

3. Goodwill and Intangible Assets

 

Goodwill and intangible assets were comprised of the following as of September 30, 2011 and 2010:

 

 September 30
 2011 2010
  (In thousands)
      
Goodwill$ 740,000 $ 739,314
Intangible assets  207   834
      
Total$ 740,207 $ 740,148

The following presents our goodwill balance allocated by segment and changes in the balance for the fiscal year ended September 30, 2011:

 

 Natural Regulated      
 Gas Transmission      
 Distribution and Storage Nonregulated Total
 (In thousands)
            
Balance as of September 30, 2010$ 572,262 $ 132,341 $ 34,711 $ 739,314
Deferred tax adjustments on prior acquisitions(1)  646   40   -   686
Balance as of September 30, 2011$ 572,908 $ 132,381 $ 34,711 $ 740,000

(1) During the preparation of the fiscal 2011 tax provision, we adjusted certain deferred taxes recorded in connection with acquisitions completed in fiscal 2001 and fiscal 2004, which resulted in an increase to goodwill and net deferred tax liabilities of $0.7 million.

 

Information regarding our intangible assets is reflected in the following table. As of September 30, 2011 and 2010, we had no intangible assets with indefinite lives.

                    
   September 30, 2011 September 30, 2010
 Useful Life (Years)  Gross Carrying Amount  Accumulated Amortization  Net  Gross Carrying Amount  Accumulated Amortization  Net
   (In thousands)
                    
Customer contracts10 $ 6,926 $ (6,719) $ 207 $ 6,926 $ (6,092) $ 834

The following table presents actual amortization expense recognized during 2011 and an estimate of future amortization expense based upon our intangible assets at September 30, 2011.

Amortization expense (in thousands):  
Actual for the fiscal year ending September 30, 2011$ 627
Estimated for the fiscal year ending:  
    September 30, 2012$ 43
    September 30, 2013  43
    September 30, 2014  43
    September 30, 2015  43
    September 30, 2016  35