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Stock-Based Compensation - Performance Share Units Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	May 03, 2022	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 45,687	$ 27,362	$ 62,192	$ 118,318
Attivo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 32,900
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		200		400
Cost not yet recognized, amount		$ 700		$ 700
Cost not yet recognized, period for recognition				1 year 2 months 12 days
Performance share units \| Attivo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				71,003
Vesting percentage				100.00%