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Income Taxes - Schedule of Effective Tax Rate from Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Apr. 30, 2022
May 01, 2021
Apr. 30, 2022
May 01, 2021
Income Tax Disclosure [Abstract]        
Loss before income taxes $ (77,628) $ (23,380) $ (109,825) $ (81,773)
Provision (benefit) for income taxes $ 412 $ (4,534) $ 954 $ (51,429)
Effective tax rate (0.50%) 19.40% (0.90%) 62.90%