Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2024	Apr. 30, 2023
Income Taxes [Line Items]
Income tax expense	$ 758	$ 1,646
Unrecognized tax benefits	22,800
Decrease in unrecognized tax benefits is reasonably possible	$ 9,000
U.S. federal tax authorities [Member] \| Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2021
U.S. federal tax authorities [Member] \| Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2024
U.S. state tax authorities [Member] \| Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2020
U.S. state tax authorities [Member] \| Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2024
Foreign tax authorities [Member] \| Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2017
Foreign tax authorities [Member] \| Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2024

Income taxes.

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits.

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