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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block] Inventories consisted of the following as of the dates set forth below (amounts in thousands):
 
March 31,
2019
 
December 31,
2018
Raw material
$
112,438

 
$
110,806

Work-in-process
64,061

 
55,543

Finished goods
235,739

 
229,386

 
$
412,238

 
$
395,735