Fair Value Measurements - Underlying Asset Value (Details) - USD ($) $ in Thousands	Aug. 04, 2018	Feb. 03, 2018	Jul. 29, 2017
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 129,110	$ 120,613	$ 114,711
Level 1
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	117,274	104,590	97,282
Level 2
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 11,836	$ 16,023	$ 17,429