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Inventories
12 Months Ended
Dec. 31, 2022
Inventories [Abstract]  
Inventories

Note 9.  Inventories


The following is a summary of inventories by major category:

 
December 31,
 
(millions of dollars)
 
2022
   
2021
 
Raw materials
 
$
163.4
   
$
136.6
 
Work-in-process
   
15.6
     
10.7
 
Finished goods
   
114.0
     
99.4
 
Packaging and supplies
   
55.8
     
51.0
 
Total inventories
 
$
348.8
   
$
297.7