Summary of Significant Accounting Policies Condensed Consolidated Statements of Cash Flows reconciliation (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 30, 2021	Aug. 01, 2020	Feb. 01, 2020
Condensed Statements of Cash Flows reconciliation [Abstract]
Cash and equivalents	$ 921,504	$ 1,104,862	$ 766,721	$ 671,267
Restricted Cash and Cash Equivalents	14,268	14,814	19,269	18,696
Restricted Cash and Cash Equivalents, Current	267	4,481	0	2,301
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 936,039	$ 1,124,157	$ 785,990	$ 692,264

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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