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Inventories, Net
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Inventories, Net

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Note 4 – Inventories, net:

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December 31, 

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June 30, 

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2022

    

2023

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(In millions)

Raw materials:

 

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Chemicals

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$

145.3

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$

157.9

Component products

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6.2

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6.5

Total raw materials

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151.5

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164.4

Work in process:

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​

 

  

Chemicals

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32.0

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34.4

Component products

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20.0

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22.1

Total in-process products

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52.0

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56.5

Finished products:

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​

 

  

Chemicals

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350.7

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263.0

Component products

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5.1

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5.2

Total finished products

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355.8

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268.2

Supplies (chemicals)

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81.5

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86.2

Total

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$

640.8

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$

575.3

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