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Inventory
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventory
Inventory
The major classes of inventory were as follows:

Inventory
 
2014
 
2013
 
 
(In thousands)
Raw materials
 
$
40,533

 
$
42,402

Work-in-progress
 
34,095

 
27,911

Finished goods
 
6,822

 
16,792

Total
 
$
81,450

 
$
87,105


The Company reviews inventory, including inventory purchase commitments, for slow moving or obsolete amounts based on expected volume. If annual volume is less than expected, the Company may be required to make additional allowances for excess or obsolete inventory in the future.