Fair Value Measurements - Underlying Asset Value (Details) - USD ($) $ in Thousands	May 05, 2018	Feb. 03, 2018	Apr. 29, 2017
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 128,412	$ 120,613	$ 111,704
Level 1
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	112,073	104,590	95,359
Level 2
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 16,339	$ 16,023	$ 16,345