Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ 174,785	$ 52,277	$ 231,350
State taxes	37,137	13,666	24,840
Foreign rate differential	2,943	1,017	1,830
Non-deductible compensation	10,639	10,231	0
Stock-based compensation	96,936	124,631	(135,250)
Permanent Items	4,016	9,090	3,971
Foreign-derived intangible income deduction	(63,571)	(76,686)	(34,131)
Research and development credits	(39,226)	(38,127)	(42,973)
Tax uncertainties	2,674	2,296	244
Change in valuation allowance	(14,109)	39,288	(322,231)
Deferred rate change	(6,803)	2,014	0
Other	(10,571)	5,868	(1,658)
Total provision for (benefit from) income taxes	$ 194,850	$ 145,565	$ (274,007)
Effective tax rate	23.40%	58.40%	(24.90%)