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Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Inventory, Net [Abstract]  
Schedule Of Inventories
Inventories consist of the following:
(In thousands)
 
2019
 
2018
Finished goods
$
24,504

 
$
24,938

Work-in-process
12,328

 
15,648

Raw materials
24,735

 
33,741

Stores, supplies and other
19,813

 
19,483

Total
$
81,380

 
$
93,810