Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 361,808	$ 299,370
Depreciation expense	100,000	83,100	$ 75,700
Capitalized computer software, amortization	76,500	55,200	35,100
Capitalized software costs	143,400	114,700	95,300
Capitalized stock-based compensation	51,300	38,900	$ 30,800
Property and equipment, excluding work in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	596,863	496,776
Less: Accumulated depreciation	(365,142)	(303,676)
Property and equipment, net	231,721	193,100
Computer and network equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	123,226	133,486
Software, including capitalized software development costs
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	383,527	278,918
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	23,278	20,360
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	66,832	64,012
Work in progress
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 130,087	$ 106,270