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Investments and Restricted Investments - Underlying Assets in Deferred Compensation Program (Details) - USD ($)
$ in Thousands
Feb. 03, 2018
Jan. 28, 2017
Investment [Line Items]    
Underlying assets in non-qualified deferred compensation program $ 120,613 $ 100,423
Level 1    
Investment [Line Items]    
Underlying assets in non-qualified deferred compensation program 104,590 84,933
Level 2    
Investment [Line Items]    
Underlying assets in non-qualified deferred compensation program $ 16,023 $ 15,490