PENSION AND OTHER POSTRETIREMENT BENEFITS Narrative (Details) - USD ($)	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax		$ 8,530,000
Settlement cost	$ 0	631,000
Accumulated benefit obligation	33,741,000	42,267,000
Employer contribution	0	0
Pension plan estimated employer contributions in next fiscal year	0
Postretirement Health Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans
Settlement cost	0	0
Employer contribution	$ 32,000	43,000
Health care cost trend rate assumed	8.50%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	4.90%
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate	2044
401K Plan
Defined Contribution Plan Disclosure
Contribution to defined contribution plans	$ 2,936,000	$ 2,784,000