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Receivables (Tables)
 9 Months Ended
Sep. 30, 2014
Receivables [Abstract]  
Schedule of Activity in Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts for the three month and nine month periods ended September 30, 2014 and 2013 was as follows:

 

      Three Month Period
Ended September 30,		     Nine Month Period
Ended September 30,		  
         2014             2013             2014             2013      

Beginning Balance

    $ 29,943      $ 24,593      $ 28,777      $ 23,017   

Bad debt expense, net of recoveries

      2,064        (198 )      9,567        1,644   

Charge-offs, foreign currency translation and other adjustments

      (2,148 )      1,765        (8,485 )      1,499   
  

 

 

    

 

 

    

 

 

    

 

 

  

Ending Balance

    $ 29,859      $ 26,160      $ 29,859      $ 26,160