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Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Oct. 31, 2020
Nov. 02, 2019
Impairment of Intangible Assets (Excluding Goodwill) [Abstract]        
Impairments of intangible assets     $ 0 $ 0
Amortization expense $ 1,000,000.0 $ 1,100,000 $ 3,100,000 $ 3,200,000