Inventories, net (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Inventories, net [Line Items]
Raw materials	$ 182.5	$ 194.0
Work in process	70.1	49.9
Finished products	313.4	256.3
Supplies (chemicals)	119.8	95.9
Total	685.8	596.1
Chemicals
Inventories, net [Line Items]
Raw materials	176.9	188.3
Work in process	52.5	30.8
Finished products	308.3	250.4
Component products
Inventories, net [Line Items]
Raw materials	5.6	5.7
Work in process	17.6	19.1
Finished products	$ 5.1	$ 5.9

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods.

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