Income Taxes - Summary of Loss Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Income Tax Disclosure [Abstract]
Domestic (Canada)	$ (53,460)	$ (99,157)
Foreign (US)	(1,701)	(743)
Loss before income taxes	$ (55,161)	$ (99,900)