Note 9. Derivative Financial Instruments (Details) - Risk Management - USD ($) $ in Millions	Dec. 31, 2025	Apr. 30, 2024
Commodity swap contracts [Member] \| Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 0.0	$ 7.6

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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