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Inventories
 12 Months Ended
Dec. 31, 2015
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES
Inventories at December 31 consisted of the following (in thousands):
 
2015
 
2014
Raw material
$
47,117

 
$
58,665

Work-in-process
16,238

 
12,841

Finished goods
43,703

 
57,237

Total inventories
$
107,058

 
$
128,743


The following table summarizes activity recorded within the reserve for excess, obsolete and slow moving inventory for the years ended December 31 (in thousands):
 
2015
 
2014
 
2013
Beginning balance
$
5,575

 
$
5,570

 
$
4,907

Excess, obsolete and slow moving inventory expense
1,539

 
731

 
2,068

Scrapped inventory and other adjustments
314

 
(726
)
 
(1,405
)
Ending balance
$
7,428

 
$
5,575

 
$
5,570