XML 52 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Schedule of Sales Discounts and Returns Allowance Activity in our sales discounts and returns allowance was as follows (in thousands):
 
2017
 
2016
 
2015
Balance, January 1
$
5,901

 
$
5,677

 
$
4,296

Charges to reserve
18,377

 
12,935

 
16,700

Reductions for sales discounts and returns
(17,358
)
 
(12,711
)
 
(15,569
)
Business acquisition (Note 2)
—

 
—

 
250

Balance, December 31
$
6,920

 
$
5,901

 
$
5,677