INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
Jul. 27, 2019	Jul. 28, 2018
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	26.90%
State income taxes, net of federal tax benefit	9.80%	7.00%
Settlement of tax audits	(2.20%)	0.00%
Deferred tax revaluation due to Tax Act	0.00%	(10.00%)
Other	(0.50%)	(0.30%)
Effective income tax rate	28.10%	23.60%

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

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Percent

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