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Intangible Assets - Annual Impairment (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 03, 2018
Feb. 02, 2019
Jan. 28, 2017
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]      
Impairment charges $ 35,500    
Intangible assets, net 69,548 $ 64,751  
Trademarks      
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]      
Fair value 10,300    
Gross Value and Carrying Value $ 56,687 $ 56,687  
Trademarks | Hi Tech      
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]      
Intangible assets, net     $ 53,400
Gross Value and Carrying Value     $ 52,400