Income Taxes - Summary of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Income Tax Disclosure [Abstract]
Loss before income taxes	$ (6,337)	$ (19,742)	$ (23,670)	$ (43,425)
Provision for income taxes	$ 352	$ 253	$ 1,112	$ 898
Effective tax rate	(5.60%)	(1.30%)	(4.70%)	(2.10%)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

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

+ References

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