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Accrued Product Returns and Rebates (Tables)
9 Months Ended
Sep. 30, 2019
Accrued Product Returns and Rebates  
Schedule of accrued product returns and rebates
Accrued product returns and rebates consist of the following, in thousands of dollars:
 
September 30,
2019
 
December 31,
2018
 
(unaudited)
 
 
Accrued product rebates
$
76,758

 
$
85,003

Accrued product returns
21,292

 
22,060

Total
$
98,050

 
$
107,063