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Fair Values of Financial Assets and Hierarchy of Level of Inputs (Detail) - USD ($)
$ in Thousands
Feb. 01, 2020
Feb. 02, 2019
Fair Value, Inputs, Level 1    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents (including restricted cash) $ 369,733 $ 22,416