v3.26.1
Fair Values of Financial Assets and Hierarchy of Level of Inputs (Detail) - USD ($)
$ in Thousands
Aug. 01, 2026
Jan. 31, 2026
Aug. 02, 2025
Fair Value, Inputs, Level 1      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Cash equivalents $ 170,084 $ 746,996 $ 322,233