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Property and Equipment, Net - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Oct. 31, 2025
Oct. 31, 2024
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 25.5 $ 20.7 $ 72.9 $ 61.3
Capitalized computer software, amortization 19.6 14.3 55.5 39.4
Capitalized software costs 38.7 29.8 103.8 81.3
Capitalized stock-based compensation $ 14.2 $ 10.0 $ 37.1 $ 27.7