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Inventories (Tables)
6 Months Ended
Jul. 04, 2021
Inventories [Abstract]  
Inventories by Major Category

The following is a summary of inventories by major category:

(millions of dollars)
 
Jul. 4,
2021
   
Dec. 31,
2020
 
             
Raw materials
 
$
113.5
   
$
107.1
 
Work-in-process
   
9.4
     
9.0
 
Finished goods
   
92.0
     
85.6
 
Packaging and supplies
   
47.0
     
46.5
 
Total inventories
 
$
261.9
   
$
248.2