Deferred Revenue and Commissions - Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Feb. 02, 2020
Disaggregation of Revenue [Line Items]
Additions	$ 183,151	$ 141,147
Recognition of deferred commissions	(134,431)	(116,916)
Product Revenue And Support Subscription Revenue
Disaggregation of Revenue [Line Items]
Beginning balance	697,288	535,920
Additions	703,800	569,816
Recognition of deferred commissions	(557,391)	(408,448)
Ending balance	$ 843,697	$ 697,288