Redeemable Preferred Stock - Additional Information (Details) - $ / shares	Jul. 31, 2026	Apr. 30, 2026
Temporary Equity [Line Items]
Common stock, par value	$ 1	$ 1

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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