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Inventories
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories. Inventories at March 31, 2019 and December 31, 2018, consisted of the following (in thousands):

 
March 31,
 
December 31,
 
2019
 
2018
Finished goods
$
117,112

 
$
117,703

Work-in-process
20,192

 
14,380

Raw materials
61,618

 
65,453

 
 
 
 
Total Inventories
$
198,922

 
$
197,536