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Inventories
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventories

5.  Inventories

The composition of inventories was as follows:

 

 

 

December 31

 

(In thousands)

 

2020

 

 

2019

 

Finished products

 

$

148,878

 

 

$

139,785

 

Raw materials

 

 

69,905

 

 

 

63,862

 

Total inventories

 

$

218,783

 

 

$

203,647