NET INCOME (LOSS) PER SHARE - Additional Information (Details) shares in Thousands	9 Months Ended
	Apr. 25, 2020 class_common_stock shares	Apr. 27, 2019 shares
Earnings Per Share [Abstract]
Number of common stock classes | class_common_stock	2
Common stock cash dividends, percent Class A is entitled greater than Class B	54.00%
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Class A shares excluded from computation of earnings per share	397	314
Common Class A [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Class A shares excluded from computation of earnings per share	159	163