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EQUITY PLANS (Details 3) - USD ($)	12 Months Ended
	Aug. 03, 2019	Jul. 28, 2018	Jul. 29, 2017	Jul. 30, 2016
Performance-based share awards
Equity plans
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	75,000	109,100	397,242
Stock options
Number of Options
Outstanding at beginning of year (in shares)	291,677	328,689
Exercised (in shares)		(37,012)
Outstanding at end of year (in shares)		291,677	328,689
Exercisable at end of year (in shares)		262,235
Weighted Average Exercise Price
Outstanding at beginning of year (in dollars per share)	$ 52.46	$ 49.52
Exercised (in dollars per share)		26.34
Outstanding at end of year (in dollars per share)		52.46	$ 49.52
Exercisable at end of year (in dollars per share)		$ 51.92
Weighted Average Remaining Contractual Term
Outstanding at end of year		4 years 4 months 28 days
Exercisable at end of year		4 years 2 months 12 days
Aggregate Intrinsic Value
Outstanding at end of year		$ 200,391
Exercisable at end of year		$ 200,391
Weighted average grant-date fair value of options granted (in dollars per share)		$ 0.00		$ 15.59
Aggregate intrinsic value of options exercised		$ 700,000	$ 100,000	$ 2,600,000

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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