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Inventories (Tables)
 12 Months Ended
Dec. 31, 2014
Inventories
Inventories at December 31, 2014 and 2013 consist of the following:
(In thousands)
2014
 
2013
Raw materials
$
41,015

 
$
26,012

Work-in-process
14,190

 
10,512

Finished goods (a)
107,431

 
56,998

Supplies
489

 
552

 
$
163,125

 
$
94,074

(a)
Includes consignment inventories held by customers for $11.0 million and $5.1 million at December 31, 2014 and 2013,