Stock-Based Compensation - Restricted Common Stock Narrative (Details) - USD ($)		3 Months Ended	12 Months Ended
	May 03, 2022	Jan. 31, 2025	Jan. 31, 2025	Jan. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 267,531,000	$ 216,870,000
Attivo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 32,900,000
PingSafe
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		1,497,212
Cost not yet recognized amount		$ 27,500,000	27,500,000
Restricted common stock | Attivo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense			300,000	$ 700,000
Cost not yet recognized amount		$ 0	0
Restricted common stock | PingSafe
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense			$ 13,700,000
Cost not yet recognized, period for recognition			9 months