Summary of Significant Accounting Policies Condensed Consolidated Statements of Cash Flows reconciliation (Details) - USD ($) $ in Thousands	Aug. 03, 2019	Feb. 03, 2019	[1]	Feb. 02, 2019	Aug. 04, 2018	Feb. 03, 2018
Condensed Statements of Cash Flows reconciliation [Abstract]
Cash and equivalents	$ 499,757	$ 723,135		$ 723,135	$ 581,166	$ 675,558
Restricted Cash and Cash Equivalents	18,877			22,694	22,022	22,397
Restricted Cash and Cash Equivalents, Current	2,537			0	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 521,171			$ 745,829	$ 603,188	$ 697,955

[1] Amounts under “Upon adoption on February 3, 2019 (under new lease accounting standard),” are calculated as February 2, 2019 reported balances adjusted for the impact of adoption on the first day of Fiscal 2019, February 3, 2019.