DERIVATIVES AND HEDGING ACTIVITIES - Additional Information (Details) $ in Thousands	12 Months Ended
	Jul. 25, 2020 USD ($) derivative_instrument	Jul. 28, 2019 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount	$ 74,893
Fair of interest rate swaps recorded in other liabilities	$ 921
Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of derivative instruments held | derivative_instrument	2
Derivative notional amount		$ 75,500
Interest Rate Swap | Interest Expense
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification of accumulated other comprehensive loss to interest expense	$ 12