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Inventories
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories INVENTORIES
Inventories consisted of the following at December 31:
(In thousands)20182017
Raw materials$284,467 $233,187 
Work in process12,291 10,408 
Finished goods43,857 31,153 
Inventories, net$340,615 $274,748