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Inventories
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories

The components of inventories at December 31, 2018 and 2017, were as follows:
 
2018
 
2017
Raw materials and manufacturing supplies
$
170.8

 
$
128.7

Work in process
48.9

 
43.6

Finished goods
80.9

 
74.2

Total
$
300.6

 
$
246.5