Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jan. 31, 2025
Payables and Accruals [Abstract]
Accrued compensation	$ 222,333	$ 194,630
Accrued third-party cloud infrastructure expenses	101,812	77,944
Employee payroll tax withheld on employee stock transactions	52,886	14,025
Employee contributions under employee stock purchase plan	40,519	46,576
Liabilities associated with sales, marketing and business development programs	30,202	44,017
Accrued purchases of property and equipment	21,702	9,896
Accrued taxes	17,958	25,819
Accrued professional services	14,621	14,005
Other	120,767	88,542
Total accrued expenses and other current liabilities	$ 622,800	$ 515,454