Acquisitions - Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
	May 03, 2022	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Business Acquisition [Line Items]
Total		$ 54,913,000	$ 45,687,000	$ 118,318,000	$ 163,308,000
General and administrative
Business Acquisition [Line Items]
Total		20,865,000	16,690,000	44,305,000	65,560,000
Attivo
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Total	$ 32,900,000
Assumed options from Attivo acquisition (in shares)	378,828
Assumed options from Attivo acquisition, fair value	$ 11,500,000
Business combination, compensation related costs	$ 11,400,000
Business combination, acquisition related costs				0	5,500,000
Attivo | General and administrative
Business Acquisition [Line Items]
Business combination, acquisition related costs					3,200,000
Attivo | Restricted common stock
Business Acquisition [Line Items]
Total		$ 100,000	$ 300,000	$ 500,000	$ 600,000
Restricted common stock acquired (in shares)	307,396
Restricted common stock acquired, fair value	$ 10,000,000