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Other Non-Current Obligations - Schedule of Other Non-Current Obligations (Parenthetical) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Other Non Current Obligations [Line Items]    
Incentive payment service agreement period 5 years  
Loss on extinguishment of debt $ 917 $ 4,880
Equipment Security Notes [Member]    
Other Non Current Obligations [Line Items]    
Loss on extinguishment of debt 200  
Promissory Note [Member]    
Other Non Current Obligations [Line Items]    
Loss on extinguishment of debt $ 200