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Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories

The components of inventories at December 31 were as follows:
 
2019
 
2018
Raw materials and supplies
$
125.1

 
$
120.3

Work in process
30.9

 
26.2

Finished products
76.0

 
74.6

Inventory reserves
(33.4
)
 
(30.3
)
 
$
198.6

 
$
190.8