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Accounts Receivable, net
9 Months Ended
Sep. 30, 2011
Accounts Receivable, net [Abstract] 
Accounts Receivable, net
Note 3: Accounts Receivable, net Our accounts receivables, net, consists of the following:
                 
    September 30,     December 31,  
    2011     2010  
    (In Thousands)  
Trade receivables
  $ 85,691     $ 73,367  
Other
    946       1,528  
 
           
 
    86,637       74,895  
Allowance for doubtful accounts
    (771 )     (636 )
 
           
 
  $ 85,866     $ 74,259