Equity Incentive Plans - Summary of Stock-Based Compensation Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Feb. 02, 2020	Jan. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 242,344	$ 226,705	$ 210,645
Cost of revenue—product
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	4,001	3,732	2,951
Cost of revenue—subscription services
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	14,979	14,403	12,378
Research and development
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	117,220	107,658	92,484
Sales and marketing
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	65,248	67,560	66,350
General and administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 40,896	$ 33,352	$ 36,482