Summary of Significant Accounting Policies (Restricted Cash Reconciliation) (Details) - USD ($) $ in Thousands	May 04, 2019	Feb. 02, 2019	May 05, 2018	Feb. 03, 2018
Accounting Policies [Abstract]
Cash and cash equivalents	$ 1,366,592	$ 1,412,912	$ 1,302,836
Restricted cash and cash equivalents included in:
Prepaid expenses and other	11,867	11,402	8,900
Other long-term assets	54,058	53,765	53,402
Total restricted cash and cash equivalents	65,925	65,167	62,302
Total cash, cash equivalents and restricted cash and equivalents	$ 1,432,517	$ 1,478,079	$ 1,365,138	$ 1,353,272