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Acquired Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2012
Acquired Intangible Assets [Abstract]  
Acquired Identifiable Intangible Assets
Acquired identifiable intangible assets consist of the following:

 
 
June 30,
2012
  
December 31,
2011
 
   
(In thousands)
 
        
Customer relationships
 $40,100  $32,100 
Trademarks and trade names
  6,800   6,300 
Non-compete agreements
  910   700 
Patents and supply contracts
  723   723 
Leaseholds
  160   - 
Total acquired intangible assets
  48,693   39,823 
Less accumulated amortization (1)
  (11,597)  (9,467)
Net acquired intangible assets
 $37,096  $30,356