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Inventories, Net
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories, Net

Note 4 – Inventories, net:

December 31, 

March 31, 

    

2021

    

2022

(In millions)

Raw materials:

 

  

 

  

Chemicals

$

76.3

$

97.1

Component products

 

5.0

 

6.1

Total raw materials

 

81.3

 

103.2

Work in process:

 

  

 

  

Chemicals

 

30.4

 

35.6

Component products

 

16.8

 

17.7

Total in-process products

 

47.2

 

53.3

Finished products:

 

  

 

  

Chemicals

 

246.4

 

249.8

Component products

 

3.8

 

4.3

Total finished products

 

250.2

 

254.1

Supplies (chemicals)

 

80.0

 

82.5

Total

$

458.7

$

493.1