Summary of Significant Accounting Policies (Restricted Cash Reconciliation) (Details) - USD ($) $ in Thousands	Aug. 03, 2019	Feb. 02, 2019	Aug. 04, 2018	Feb. 03, 2018
Accounting Policies [Abstract]
Cash and cash equivalents	$ 1,382,025	$ 1,412,912	$ 1,386,935
Restricted cash and cash equivalents included in:
Prepaid expenses and other	11,048	11,402	8,961
Other long-term assets	50,328	53,765	53,635
Total restricted cash and cash equivalents	61,376	65,167	62,596
Total cash, cash equivalents, and restricted cash and equivalents	$ 1,443,401	$ 1,478,079	$ 1,449,531	$ 1,353,272