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Goodwill and Intangibles
3 Months Ended
Mar. 31, 2013
Goodwill Details [Abstract]  
Goodwill And Intangible Assets Disclosure [Text Block]

The changes in the carrying value of goodwill are as follows:

         
 Goodwill as of September 30, 2012   $ 61,841 
  Acquisition activity     9,225 
  Foreign currency adjustments     (592) 
 Goodwill as of March 31, 2013   $ 70,474 
         

Balances of intangibles are as follows:

 

           
     March 31, September 30, 
   Useful Lives 2013 2012 
 Amortizing:         
 Customer relationships 9-20 years $ 34,841 $ 31,045 
 Covenants not to compete 1-5 years   450   710 
 Technology 11 years   5,830   5,830 
 Other 2-7 years   1,090   1,084 
       42,211   38,669 
 Accumulated amortization     (8,616)   (7,640) 
       33,595   31,029 
 Non-Amortizing:         
 Trade names and patents     7,590   7,677 
     $ 41,185 $ 38,706 
           

Amortization expense was $786 and $697 for the three months ended March 31, 2013 and 2012, respectively. Amortization expense was $1,467 and $1,435 for the six months ended March 31, 2013 and 2012, respectively. Estimated future annual amortization expense related to intangible assets as of March 31, 2013 is as follows:

     
  Amount 
 Remainder of 2013$ 1,586 
 2014  3,043 
 2015  2,741 
 2016  2,619 
 2017  2,547 
 Thereafter  21,059 
  $ 33,595 
     

The above projection of amortization expense includes preliminary estimates of intangible assets and lives associated with the acquisition of PCI Animal Health. These amounts may be adjusted during the allocation period as defined in ASC 805.