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Goodwill and Intangibles
3 Months Ended
Mar. 31, 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     11,648 
  Foreign currency adjustments     218 
 Goodwill as of March 31, 2012   $ 60,907 
         

Balances of intangibles are as follows:

 

           
     March 31, September 30, 
   Useful Lives 2012 2011 
 Amortizing:         
 Customer relationships 9-20 years $ 30,866 $ 24,981 
 Covenants not to compete 1-5 years   902   808 
 Technology 11 years   5,830   - 
 Other 2-7 years   1,056   455 
       38,654   26,244 
 Accumulated amortization     (6,385)   (5,109) 
       32,269   21,135 
 Non-Amortizing:         
 Trade names and patents     7,661   3,759 
     $ 39,930 $ 24,894 
           

Amortization expense was $697 and $410 for the three months ended March 31, 2012 and 2011, respectively. Amortization expense was $1,435 and $817 for the six months ended March 31, 2012 and 2011, respectively. Estimated future annual amortization expense related to intangible assets as of March 31, 2012 is as follows:

     
  Amount 
 Remainder of 2012$ 1,223 
 2013  2,681 
 2014  2,508 
 2015  2,232 
 2016  2,135 
 Thereafter  21,490 
  $ 32,269 
     

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.