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Equity Compensation - Schedule of Assumption Used to Estimate the Fair Value of Stock-Based Awards (Details)
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected dividends 0.00%  
Performance Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of expected volatilities, minimum (in percentage) 35.10% 29.70%
Range of expected volatilities, maximum (in percentage) 36.70% 33.40%
Expected dividends 0.00% 0.00%
Range of risk-free interest rates, minimum (in percentage) 3.70% 3.80%
Range of risk-free interest rates, maximum (in percentage) 3.90% 4.10%
ESPP    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of expected volatilities, minimum (in percentage) 33.90% 29.10%
Range of expected volatilities, maximum (in percentage) 34.80% 29.50%
Expected dividends 0.00% 0.00%
Range of risk-free interest rates, minimum (in percentage)   4.00%
Range of risk-free interest rates, maximum (in percentage)   4.30%
Range of risk-free interest rates (in percentage) 3.70%  
ESPP | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of expected lives (in years) 6 months 6 months
ESPP | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of expected lives (in years) 2 years 2 years