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Goodwill and Intangibles
3 Months Ended
Jun. 30, 2012
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, 2011   $ 49,041 
  Acquisition activity     12,415 
  Foreign currency adjustments     (7) 
 Goodwill as of June 30, 2012   $ 61,449 
         

Balances of intangibles are as follows:

 

           
     June 30, September 30, 
   Useful Lives 2012 2011 
 Amortizing:         
 Customer relationships 9-20 years $ 30,491 $ 24,981 
 Covenants not to compete 1-5 years   897   808 
 Technology 11 years   5,830   - 
 Other 2-7 years   1,050   455 
       38,268   26,244 
 Accumulated amortization     (7,064)   (5,109) 
       31,204   21,135 
 Non-Amortizing:         
 Trade names and patents     7,628   3,759 
     $ 38,832 $ 24,894 
           

Amortization expense was $728 and $459 for the three months ended June 30, 2012 and 2011, respectively. Amortization expense was $2,163 and $1,276 for the nine months ended June 30, 2012 and 2011, respectively. Estimated future annual amortization expense related to intangible assets as of June 30, 2012 is as follows:

     
  Amount 
 Remainder of 2012$ 702 
 2013  2,723 
 2014  2,537 
 2015  2,261 
 2016  2,163 
 Thereafter  20,818 
  $ 31,204 
     

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