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Receivables (Tables)
 12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
Schedule of Activity in Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts for the years ended December 31, 2016, 2015 and 2014 was as follows:

 

 

 

Year Ended December 31,

 

 

 

2016

 

 

2015

 

 

2014

 

Beginning Balance

 

$

12,882

 

 

$

23,540

 

 

$

28,777

 

Bad debt expense, net of recoveries

 

 

10,055

 

 

 

3,125

 

 

 

12,246

 

Charge-offs, foreign currency translation and other

   adjustments

 

 

(6,551

)

 

 

(13,783

)

 

 

(17,483

)

Ending Balance

 

$

16,386

 

 

$

12,882

 

 

$

23,540