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Inventories
12 Months Ended
Dec. 31, 2023
Inventories [Abstract]  
Inventories

Note 9.  Inventories


The following is a summary of inventories by major category:

 
December 31,
 
(millions of dollars)
 
2023
   
2022
 
Raw materials
 
$
144.3
   
$
163.4
 
Work-in-process
   
11.7
     
15.6
 
Finished goods
   
113.5
     
114.0
 
Packaging and supplies
   
55.9
     
55.8
 
Total inventories
 
$
325.4
   
$
348.8