Contract Balances and Contract Costs - Deferred Commissions and Fulfillment Costs (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 30, 2021	Jul. 31, 2020
Deferred commissions
Capitalized Contract Cost [Roll Forward]
Beginning balance	$ 57,888	$ 62,785
Amount capitalized	7,516	7,259
Amount recognized	(9,912)	(10,834)
Ending balance	55,492	59,210
Deferred fulfillment costs
Capitalized Contract Cost [Roll Forward]
Beginning balance	11,009	11,366
Amount capitalized	1,039	3,005
Amount recognized	(2,700)	(2,865)
Ending balance	$ 9,348	$ 11,506