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Other Charges - Summary of Charges Incurred in Management and Organizational Changes and Proxy Solicitation (Details) - USD ($)
$ in Thousands
3 Months Ended
May 04, 2019
May 05, 2018
Other Charges Related To Management And Organizational Changes And Proxy Solicitation [Abstract]    
Management and organizational changes $ 662 $ 264
Proxy solicitation   886
Total other charges $ 662 $ 1,150