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Receivables, net (Tables)
 6 Months Ended
Jun. 30, 2017
Receivables [Abstract]  
Accounts receivable, net
Receivables, net, consists of the following:
 
June 30, 2017
 
December 31, 2016
Gross customer accounts receivable
$
109,562

 
$
105,737

Allowance for doubtful accounts
(8,570
)
 
(8,658
)
Customer accounts receivable, net
$
100,992

 
$
97,079

Receivables from distributors
109,762

 
98,498

Other receivables
23,598

 
27,452

Total receivables, net
$
234,352

 
$
223,029