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Long-Term Debt, Net - Schedule of Notes Conversion Amounts (Detail) - Convertible Senior Notes Due 2025 - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended
Oct. 30, 2021
Apr. 30, 2020
Debt Instrument [Line Items]    
Number of shares convertible 48,258  
Conversion price per share $ 8.54 $ 8.54
Value in excess of principal if converted $ 952,555