ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive (Loss) Income, beginning balance	$ (2,183)
Other Comprehensive Income	2,931	$ 1,934
Accumulated Other Comprehensive (Loss) Income, ending balance	748	(2,183)
Pension and Postretirement Health Benefits
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive (Loss) Income, beginning balance	(2,242)	(4,428)
Other comprehensive income (loss), before reclassifications, net of tax	1,736	2,081
Amounts reclassified from accumulated other comprehensive income, net of tax	(36)	105
Curtailment/Settlement on Pension Plan	1,554
Other Comprehensive Income	3,254	2,186
Accumulated Other Comprehensive (Loss) Income, ending balance	1,012	(2,242)
Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive (Loss) Income, beginning balance	59	311
Other comprehensive income (loss), before reclassifications, net of tax	(323)	(252)
Amounts reclassified from accumulated other comprehensive income, net of tax	0	0
Curtailment/Settlement on Pension Plan	0
Other Comprehensive Income	(323)	(252)
Accumulated Other Comprehensive (Loss) Income, ending balance	(264)	59
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive (Loss) Income, beginning balance	(2,183)	(4,117)
Other comprehensive income (loss), before reclassifications, net of tax	1,413	1,829
Amounts reclassified from accumulated other comprehensive income, net of tax	(36)	105
Curtailment/Settlement on Pension Plan	1,554
Other Comprehensive Income	2,931	1,934
Accumulated Other Comprehensive (Loss) Income, ending balance	$ 748	$ (2,183)