Quarterly report pursuant to Section 13 or 15(d)

Receivables, net (Details)

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Receivables, net (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Accounts receivable, net    
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