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Inventories
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following components (dollars in thousands):
 
 
December 31,
2019
 
December 31,
2018
Finished goods
 
$
68,350

 
$
64,560

Work in process
 
30,560

 
28,420

Raw materials
 
33,750

 
34,180

Total inventories
 
$
132,660

 
$
127,160