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Inventories
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories
Inventories
 
The components of inventories consisted of the following:

 
December 31,
 (in thousands) 
2019
 
2018
Raw materials
$
95,575

 
$
98,058

In-process products
23,672

 
24,645

Finished products
132,660

 
153,385

 
$
251,907

 
$
276,088