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Property and Equipment, Net - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 24.0 $ 20.8 $ 47.4 $ 40.6
Capitalized computer software, amortization 18.5 13.4 35.9 25.1
Capitalized software costs 35.4 26.8 65.1 51.5
Capitalized stock-based compensation $ 12.9 $ 9.1 $ 22.9 $ 17.7