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Inventories, net (Tables)
6 Months Ended
Jun. 30, 2025
Inventories, net  
Inventories, Net

December 31, 

June 30, 

    

2024

    

2025

(In millions)

Raw materials:

 

  

 

  

Chemicals

$

176.9

$

142.8

Component products

 

5.6

 

5.8

Total raw materials

 

182.5

 

148.6

Work in process:

 

  

 

  

Chemicals

 

52.5

 

49.2

Component products

 

17.6

 

22.2

Total in-process products

 

70.1

 

71.4

Finished products:

 

  

 

  

Chemicals

 

308.3

 

359.8

Component products

 

5.1

 

4.9

Total finished products

 

313.4

 

364.7

Supplies (chemicals)

 

119.8

 

132.5

Total

$

685.8

$

717.2