Segment Information - Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 02, 2020	Jul. 31, 2019	Aug. 02, 2020	Jul. 31, 2019
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	$ 403,723	$ 396,327	$ 770,842	$ 723,027
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	281,679	294,596	545,825	523,535
Rest of the world
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	$ 122,044	$ 101,731	$ 225,017	$ 199,492