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Investments and Restricted Investments - Underlying Assets in Deferred Compensation Program (Details) - USD ($)
$ in Thousands
Jan. 28, 2017
Jan. 30, 2016
Investment [Line Items]    
Underlying assets in non-qualified deferred compensation program $ 100,423 $ 86,073
Level 1 [Member]    
Investment [Line Items]    
Underlying assets in non-qualified deferred compensation program 84,933 73,633
Level 2 [Member]    
Investment [Line Items]    
Underlying assets in non-qualified deferred compensation program $ 15,490 $ 12,440