Net Income Per Share - Potentially Dilutive Securities Excluded from Diluted Per Share Calculations (Details) - shares shares in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from net income (loss) per share (in shares)	4,243	12,183
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from net income (loss) per share (in shares)	2,436	7,467
PSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from net income (loss) per share (in shares)	780	3,649
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from net income (loss) per share (in shares)	1,003	769
ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from net income (loss) per share (in shares)	24	298