XML 30 R16.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Inventories
12 Months Ended
Dec. 31, 2019
Inventories [Abstract]  
Inventories

Note 9.  Inventories


The following is a summary of inventories by major category:


 
December 31,
 
(millions of dollars)
 
2019
   
2018
 
Raw materials
 
$
105.9
   
$
93.4
 
Work-in-process
   
7.2
     
11.2
 
Finished goods
   
95.5
     
92.2
 
Packaging and supplies
   
44.7
     
42.4
 
Total inventories
 
$
253.3
   
$
239.2