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Inventories
6 Months Ended
Jun. 30, 2018
Inventory, Net [Abstract]  
Inventories
 INVENTORIES
 
Inventories are stated at the lower of cost (first-in, first-out) or net realizable value. Net realizable value is the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. The components of inventories were as follows (in thousands)


June 30,
2018
 
December 31,
2017

 

 
 

Raw materials
$
34,336

 
$
32,994

Work-in-process
16,982

 
17,786

Finished goods
125,169

 
113,538

Inventories (Note 2)
$
176,487

 
$
164,318