Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 31, 2023	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Income Taxes [Line Items]
Income tax (benefit) expense		$ 1,645	$ 1,112	$ (113)	$ 4,958
Unrecognized tax benefits		22,600		$ 22,600
U.S. federal tax authorities [Member] | Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year				2020
U.S. federal tax authorities [Member] | Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year				2023
U.S. state tax authorities [Member] | Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year				2019
U.S. state tax authorities [Member] | Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year				2023
Foreign tax authorities [Member] | Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year				2016
Foreign tax authorities [Member] | Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year				2023
Oculii Corp [Member]
Income Taxes [Line Items]
Valuation allowance	$ 3,600	$ 400		$ 4,000