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Inventories
9 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
(In thousands)
 
September 30, 2014
 
December 31, 2013
Finished products
 
$
78,650

 
$
74,466

Work in process
 
10,798

 
8,108

Raw materials and supplies
 
55,769

 
54,263

Total inventories
 
145,217

 
136,837