Summary of Significant Accounting Policies (Schedule of Restricted Cash Reconciliation) (Details) - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 03, 2018		Jan. 28, 2017		Jan. 30, 2016	[1]
Accounting Policies [Abstract]
Cash and cash equivalents	$ 1,412,912	$ 1,290,294		$ 1,111,599
Prepaid expenses and other	11,402	9,412		12,936
Other long-term assets	53,765	53,566		51,645
Total restricted cash and cash equivalents	65,167	62,978		64,581
Total cash, cash equivalents and restricted cash and equivalents	$ 1,478,079	$ 1,353,272	[1]	$ 1,176,180	[1]	$ 829,550

[1] As the result of the adoption of ASU 2016-18, Statement of Cash Flow (Topic 230): Restricted Cash, the prior year amounts were retrospectively adjusted to include restricted cash and cash equivalents. See Note A.