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Inventories (Tables)
9 Months Ended
Sep. 27, 2020
Inventories [Abstract]  
Inventories by Major Category

The following is a summary of inventories by major category:

(millions of dollars)
 
Sep. 27,
2020
   
Dec. 31,
2019
 
Raw materials
 
$
113.1
   
$
105.9
 
Work-in-process
   
9.5
     
7.2
 
Finished goods
   
87.2
     
95.5
 
Packaging and supplies
   
45.4
     
44.7
 
Total inventories
 
$
255.2
   
$
253.3