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Income Taxes - Schedule of Effective Tax Rate from Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 02, 2020	Apr. 27, 2019	May 02, 2020	Apr. 27, 2019
Income Tax Disclosure [Abstract]
Income (loss) before income taxes	$ (45,252)	$ (2,713)	$ (34,326)	$ 26,737
Provision (benefit) for income taxes	$ (11,349)	$ (9,761)	$ (11,676)	$ (2,965)
Effective tax rate	(25.10%)	(359.80%)	(34.00%)	(11.10%)

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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