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Inventories
3 Months Ended
Mar. 31, 2016
Inventory Disclosure [Abstract]  
Inventories
Inventories
The Company's significant components of inventory at March 31, 2016 and December 31, 2015 were as follows (in thousands):
 
March 31,
2016
 
December 31,
2015
Raw materials and parts
$
149,790

 
$
148,372

Work in process
36,982

 
38,381

Finished goods
301,607

 
315,256

Gross inventories
488,379

 
502,009

Inventory reserve
(72,274
)
 
(77,888
)
Inventories
$
416,105

 
$
424,121