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Property and Equipment, Net (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2023
Property, Plant and Equipment [Line Items]      
Property and equipment, net $ 299,370 $ 245,173  
Depreciation expense 83,100 75,700 $ 65,500
Capitalized computer software, amortization 55,200 35,100 19,700
Capitalized software costs 114,700 95,300 66,100
Capitalized stock-based compensation 38,900 30,800 $ 19,200
Property and equipment, excluding work in progress      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 496,776 387,251  
Less: Accumulated depreciation (303,676) (244,270)  
Property and equipment, net 193,100 142,981  
Computer and network equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 133,486 142,241  
Software, including capitalized software development costs      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 278,918 168,584  
Furniture and office equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 20,360 18,196  
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 64,012 58,230  
Work in progress      
Property, Plant and Equipment [Line Items]      
Property and equipment, net $ 106,270 $ 102,192