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

Note 10.  Inventories


The following is a summary of inventories by major category:

 
December 31,
 
(millions of dollars)
 
2020
   
2019
 
Raw materials
 
$
107.1
   
$
105.9
 
Work-in-process
   
9.0
     
7.2
 
Finished goods
   
85.6
     
95.5
 
Packaging and supplies
   
46.5
     
44.7
 
Total inventories
 
$
248.2
   
$
253.3