Business Organization and Summary of Significant Accounting Policies - Adoption of New Accounting Pronouncements (Details) - USD ($) $ in Thousands	Feb. 01, 2020	Feb. 03, 2019	Feb. 02, 2019	Feb. 03, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, right-of-use asset	$ 648,397
Operating lease liabilities	$ 712,965
Cumulative Effect of New Accounting Principle in Period of Adoption			$ (1,287)	$ (5,054)
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, right-of-use asset		$ 764,100
Operating lease liabilities		$ 845,700