Summary of Significant Accounting Policies (Restricted Cash Reconciliation) (Details) - USD ($) $ in Thousands	May 02, 2020	Feb. 01, 2020	May 04, 2019	Feb. 02, 2019
Accounting Policies [Abstract]
Cash and cash equivalents	$ 2,669,535	$ 1,351,205	$ 1,366,592
Restricted cash and cash equivalents included in:
Prepaid expenses and other	10,341	10,235	11,867
Other long-term assets	50,490	49,970	54,058
Total restricted cash and cash equivalents	60,831	60,205	65,925
Total cash, cash equivalents, and restricted cash and cash equivalents	$ 2,730,366	$ 1,411,410	$ 1,432,517	$ 1,478,079