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CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES - (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Site Contingency [Line Items]
Environmental liability reserves	$ 17.3	$ 16.5
Diamond Alkali
Site Contingency [Line Items]
Environmental liability reserves	9.8	9.8
Other Facilities
Site Contingency [Line Items]
Environmental liability reserves	$ 7.5	$ 6.7

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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