Equity Compensation - Assumption Used to Estimate the Fair Value of Stock-Based Awards (Details) - shares	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
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)			40.90%	39.40%
Range of expected volatilities, maximum (in percentage)			42.50%	40.70%
Expected dividends			0.00%	0.00%
Range of risk-free interest rates, minimum (in percentage)			4.30%	1.20%
Range of risk-free interest rates, maximum (in percentage)			4.70%	1.60%
Awards granted in period (in shares)	0	0	311,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividends			0.00%	0.00%
Awards granted in period (in shares)	0	0
ESPP | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of expected volatility			40.00%	38.30%
Range of expected lives (in years)			6 months	6 months
Range of risk-free interest rates			4.30%	0.90%
ESPP | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of expected volatility			42.40%	42.70%
Range of expected lives (in years)			2 years	2 years
Range of risk-free interest rates			5.00%	1.90%