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Inventories, Net (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventories, Net

 

December 31,

 

 

March 31,

 

 

2018

 

 

2019

 

 

(In millions)

 

Raw materials

$

93.1

 

 

$

102.0

 

Work in process

 

23.5

 

 

 

29.2

 

Finished products

 

316.8

 

 

 

298.9

 

Supplies

 

64.5

 

 

 

65.7

 

Total

$

497.9

 

 

$

495.8