SHAREHOLDERS’ EQUITY - Summary of Option Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Jul. 25, 2020	Jul. 27, 2019
Shares
Outstanding at beginning of year (in shares)	245	289
Exercised (in shares)	0	(36)
Forfeited (in shares)	(89)	0
Expired (in shares)	0	(8)
Outstanding at end of year (in shares)	156	245
Weighted-average exercise price
Outstanding at beginning of year (in dollars per share)	$ 28.43	$ 28.38
Exercised (in dollars per share)	0	28.30
Forfeited (in dollars per share)	28.42	0
Expired (in dollars per share)	0	27.44
Outstanding at end of year (in dollars per share)	$ 28.43	$ 28.43
Options exercisable at end of year (in shares)	156	245
Options exercisable at end of year (in dollars per share)	$ 28.43	$ 28.43