Deferred Revenue and Commissions - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 01, 2021	Aug. 02, 2020	Aug. 01, 2021	Aug. 02, 2020
Contract Liability
Additions	$ 42,791	$ 30,534	$ 71,980	$ 60,296
Recognition of deferred revenue	(32,701)	(28,210)	(63,939)	(54,813)
Product Revenue and Support Subscription Revenue
Contract Liability
Beginning balance	866,160	706,060	843,697	697,288
Additions	215,613	155,435	402,464	287,169
Recognition of deferred revenue	(171,959)	(136,744)	(336,347)	(259,706)
Ending balance	$ 909,814	$ 724,751	$ 909,814	$ 724,751

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044

Name:	us-gaap_ContractWithCustomerLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant