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INVENTORIES
9 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Inventories consisted of the following (in thousands):
 
September 30, 2017
 
December 31, 2016
Components and parts
$
60,258

 
$
49,438

Work-in-process
9,471

 
12,345

Finished goods
613,257

 
480,704

Inventories
$
682,986

 
$
542,487