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INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 27, 2018	Oct. 28, 2017
Income Tax Disclosure [Abstract]
Continuing operations	$ (4,255)	$ 21,889
Discontinued operations	749	0
Total	$ (3,506)	$ 21,889

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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