Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Oct. 31, 2022
Income Tax Disclosure [Abstract]
Income tax (benefit)	$ (5.1)	$ (1.8)
Pre-tax loss	27.40%	72.00%
Net discrete tax expense (benefit) related to share-based compensation	$ (0.6)	$ (1.2)
Unrecognized tax benefits	$ 4.4		$ 4.3