Net Income Per Share - Schedule of Potentially Dilutive Securities Excluded from Diluted Per Share Calculations (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from net income per share (in shares)	22,865	17,669	22,865	19,596
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from net income per share (in shares)	5,040	3,870	5,040	3,870
PSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from net income per share (in shares)	1,585	697	1,585	697
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from net income per share (in shares)	16,111	10,481	16,111	12,408
ESPP rights
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from net income per share (in shares)	129	121	129	121
Warrants to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from net income per share (in shares)	0	2,500	0	2,500