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Acquired Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2013
Acquired Intangible Assets [Abstract]  
Acquired identifiable intangible assets
Acquired identifiable intangible assets consist of the following:

 
 
September 30,
2013
  
December 31,
2012
 
 
 
(In thousands)
 
 
 
  
 
Customer relationships
 
$
44,089
  
$
40,100
 
Trademarks and trade names
  
6,800
   
6,800
 
Non-compete agreements
  
910
   
910
 
Patents and supply contracts
  
723
   
723
 
Leaseholds
  
160
   
160
 
Total acquired intangible assets
  
52,682
   
48,693
 
Less accumulated amortization (1)
  
(18,072
)
  
(14,210
)
Net acquired intangible assets
 
$
34,610
  
$
34,483
 

(1)Applies to all intangible assets, except for trademarks and trade names totaling $5.2 million, which have indefinite useful lives and, as such, are not being amortized.