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Inventories, Net
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories, Net

Note 4 – Inventories, net:

December 31, 

    

2020

    

2021

(In millions)

Raw materials

$

133.2

$

76.3

Work in process

 

36.8

 

30.4

Finished products

 

269.2

 

245.6

Supplies

 

79.8

 

80.0

Total

$

519.0

$

432.3