Basis of Presentation Impact of Adoption of ASU 2016-02 Leases (Detail) - USD ($) $ in Thousands		Aug. 03, 2019	Feb. 03, 2019	Feb. 02, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets		$ 321,982
Operating lease liabilities		$ 353,915
Cumulative-effect adjustment	[1]			$ (5,208)
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets			$ 344,200
Operating lease liabilities			$ 375,800
Cumulative-effect adjustment				5,200
Accounting Standards Update 2016-02 | Depreciation of leasehold improvements
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative-effect adjustment				(5,800)
Accounting Standards Update 2016-02 | Derecognition of finance obligations
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative-effect adjustment				$ 600

[1] Related to the adoption of the new lease accounting standard. See Note 1 for further disclosures regarding the adoption impact.