SHAREHOLDERS’ EQUITY - Summary of Option Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Jul. 31, 2021	Jul. 25, 2020
Shares
Outstanding at beginning of year (in shares)	156	245
Exercised (in shares)	0	0
Forfeited (in shares)	(54)	(89)
Expired (in shares)	0	0
Outstanding at end of year (in shares)	102	156
Weighted-average exercise price
Outstanding at beginning of year (in dollars per share)	$ 28.43	$ 28.43
Exercised (in dollars per share)	0	0
Forfeited (in dollars per share)	27.40	28.42
Expired (in dollars per share)	0	0
Outstanding at end of year (in dollars per share)	$ 28.98	$ 28.43
Options exercisable at end of year (in shares)	102	156
Options exercisable at end of year (in dollars per share)	$ 28.98	$ 28.43