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Inventories
12 Months Ended
Dec. 31, 2014
Inventories [Abstract]  
Inventories
Note 8.   Inventories

The following is a summary of inventories by major category:

  
2014
  
2013
 
  
(millions of dollars)
 
Raw materials
 
$
85.9
  
$
35.1
 
Work-in-process
  
6.7
   
6.3
 
Finished goods
  
88.7
   
26.3
 
Packaging and supplies
  
30.5
   
21.5
 
Total inventories
 
$
211.8
  
$
89.2
 

Inventory balance at December 31, 2014 includes inventories from the acquired businesses.