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Inventories
6 Months Ended
Jun. 30, 2019
Inventory, Net [Abstract]  
Inventories
The components of inventories are as follows:
 
 
June 30,
 
December 31,
(In thousands)
2019
 
2018
Finished goods
$
28,755

 
$
24,938

Work-in-process
14,957

 
15,648

Raw materials
29,745

 
33,741

Stores, supplies and other
19,902

 
19,483

Total
$
93,359

 
$
93,810