Investments and Restricted Investments (Underlying Assets in Deferred Compensation Program) (Details) - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 03, 2018
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 124,558	$ 120,613
Level 1
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	114,181	104,590
Level 2
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 10,377	$ 16,023