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Inventories
 12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories are stated at the lower of cost or net realizable value, and cost is determined using FIFO. Inventories consisted of the following at December 31, 2018 and 2017:
 
December 31,
(In millions)
2018
 
2017
Raw materials
$
56.3

 
$
48.8

In process
49.1

 
33.0

Finished products
144.5

 
124.7

Other
31.2

 
24.4

 
$
281.1

 
$
230.9