Equity Compensation - Schedule of Assumption Used to Estimate the Fair Value of Stock-Based Awards (Details) - shares	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
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)			29.70%	29.40%
Range of expected volatilities, maximum (in percentage)			33.40%	31.40%
Expected dividends			0.00%	0.00%
Range of risk-free interest rates, minimum (in percentage)			3.80%
Range of risk-free interest rates, maximum (in percentage)			4.10%
Range of risk-free interest rates (in percentage)				5.20%
Awards granted in period (in shares)	0		332,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of expected volatilities, minimum (in percentage)			29.10%	28.70%
Range of expected volatilities, maximum (in percentage)			29.50%	34.50%
Expected dividends			0.00%	0.00%
Range of risk-free interest rates, minimum (in percentage)			4.00%	4.60%
Range of risk-free interest rates, maximum (in percentage)			4.30%	5.40%
Awards granted in period (in shares)	0	0
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