Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023	Jan. 31, 2024
Income Tax Disclosure [Abstract]
Income tax expense	$ 10,914	$ 4,611	$ 18,581	$ 9,020
Effective tax rate	18.90%	35.20%	16.70%	50.10%
Gross unrecognized tax benefits	$ 70,900		$ 70,900		$ 58,900
Unrecognized tax benefits including interest and penalties that would affect effective tax rate	$ 14,400		14,400		12,700
Interest and penalties			$ 2,100		$ 1,400

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

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+ Details