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INVENTORIES
 6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES

The carrying values of inventories are as follows (in thousands):
 
June 30, 2019
 
December 31, 2018
Finished goods
$
119,245

 
$
110,182

Work in process
21,145

 
17,344

Obsolescence reserve
(12,378
)
 
(12,696
)
Inventories
$
128,012

 
$
114,830