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PENSION AND OTHER POSTRETIREMENT BENEFITS Components of net periodic benefit cost (Details) - Postretirement Health Benefits - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Defined Benefit Plans and Postretirement Health Benefits    
Service cost $ 74 $ 84
Interest cost 83 73
Amortization of: Prior service income (6) (6)
Amortization of: Other actuarial loss (107) (83)
Net periodic benefit cost $ 44 $ 68