Significant Accounting Policies - Summary of Derecognition of Build to Suit Property Asset and Financing Obligations (Detail) - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 03, 2018
Summary Of Accounting Policies [Line Items]
Build-to-suit property	$ 1,182,998	$ 1,083,837
Financing obligations under build-to-suit lease transactions	228,928	229,323
ASUs 2016-02, 2018-10 and 2018-11 [Member]
Summary Of Accounting Policies [Line Items]
Financing obligations under build-to-suit lease transactions	228,928	229,323
Build-to-Suit Property [Member]
Summary Of Accounting Policies [Line Items]
Build-to-suit property	245,217	237,909
Build-to-Suit Property [Member] \| ASUs 2016-02, 2018-10 and 2018-11 [Member]
Summary Of Accounting Policies [Line Items]
Build-to-suit property	$ 245,217	$ 237,909

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_PropertyPlantAndEquipmentGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant