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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 |

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