DEFERRED COMPENSATION Deferred Comp and Bonus (Details) - USD ($)	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018
Deferred Compensation
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits
Annual Total Amount Deferred	$ 418,000	$ 578,000
Deferred Compensation Interest Expense	204,000	371,000
Deferred Compensation Payments to Participants	1,144,000	6,010,000
Deferred Compensation Recorded Liability	3,560,000	4,218,000
Executive Deferred Bonus
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits
Deferred Compensation Arrangement with Individual, Contributions by Employer	$ 513,000	$ 609,000
Deferred Compensation Arrangement with Individual, Requisite Service Period	3 years