Fair Value Measurements - Underlying Asset Value (Details) - USD ($) $ in Thousands	May 04, 2019	Feb. 02, 2019	May 05, 2018
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 138,411	$ 124,558	$ 128,412
Level 1
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	127,785	114,181	112,073
Level 2
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 10,626	$ 10,377	$ 16,339