Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 291,964	$ 43,230
Provision for income taxes	$ 75,656	$ 27,786
Effective tax rate	25.90%	64.30%