Subsequent Events	6 Months Ended
Apr. 30, 2025
Subsequent Events [Abstract]
Subsequent Events	15. Subsequent Events The Company has evaluated subsequent events through the date these financial statements were issued. Except as noted below, the Company concluded that no additional subsequent events have occurred that require disclosure. On June 4, 2025, enGene USA, Inc. (the "Tenant") entered into a lease agreement with 99 High Street Owner LLC (the "Landlord"), pursuant to which enGene USA, Inc. agreed to lease approximately 26,335 square feet of office space located at 99 High Street, Boston, Massachusetts (the “Lease”). enGene USA, Inc. is expected to make an aggregate amount of base rental payments of $10.5 million, under the initial term of the Lease, which is set to expire in November 2030 and does not have an option to renew. In connection with the Lease, the Company has delivered a Guaranty, dated June 4, 2025, pursuant to which the Company guaranteed its payment and performance.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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