Condensed Consolidated Financial Statements (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Nov. 01, 2019	Aug. 02, 2019
Recent Accounting Pronouncements Adopted [Abstract]
Operating lease right-of-use assets	$ 465,685		$ 0	[1]
Operating lease liabilities	$ 510,362
Cumulative-effect of change in accounting principle		$ 4,125
Retained Earnings [Member]
Recent Accounting Pronouncements Adopted [Abstract]
Cumulative-effect of change in accounting principle		$ 4,125
ASU 2016-02 [Member]
Recent Accounting Pronouncements Adopted [Abstract]
Operating lease right-of-use assets			464,394
Operating lease liabilities			506,406
ASU 2016-02 [Member] | Retained Earnings [Member]
Recent Accounting Pronouncements Adopted [Abstract]
Cumulative-effect of change in accounting principle			$ 4,125

[1] This Condensed Consolidated Balance Sheet has been derived from the audited Consolidated Balance Sheet as of August 2, 2019, as filed with the Securities and Exchange Commission in the Company’s Annual Report on Form 10-K for the fiscal year ended August 2, 2019.