Fair Value Measurements - Underlying Asset Value (Details) - USD ($) $ in Thousands	Oct. 28, 2017	Jan. 28, 2017	Oct. 29, 2016
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 116,174	$ 100,423	$ 96,842
Level 1
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	99,387	84,933	81,001
Level 2
Investment [Line Items]
Underlying assets in non-qualified deferred compensation program	$ 16,787	$ 15,490	$ 15,841