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Inventories
6 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories consist of the following:
 
June 30,
2017
 
December 31,
2016
Raw materials
$
40,952

 
$
42,821

Work-in-process
13,805

 
13,315

Finished goods
81,717

 
79,733

Total
$
136,474

 
$
135,869