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Fair Value of Financial Instruments - Additional Information (Detail) - USD ($)
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Transfers out of Level 1 into Level 2 $ 0 $ 0
Transfers out of Level 2 into Level 1 0 0
Estimated Fair Value [Member] | Asset Based Credit Facility [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Estimated fair value of term loan 200,000,000  
Estimated Fair Value [Member] | LILO Term Loan [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Estimated fair value of term loan 80,000,000  
Level 3 [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value measurement, purchases, sales, issuances, or settlements 0 0
Short-term investments [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Total investments 0 142,677,000
Long-term investments [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Total investments $ 0 $ 33,212,000