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Fair Value Measurements (Details) - Schedule of changes in the fair value of the assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) - USD ($)
$ in Thousands
12 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Defined Benefit Plan Disclosure [Line Items]    
Balance, beginning of period $ 5,268 $ 7,510
Liquidation of Hedge Fund Investments (7,000)
Total (loss) gain included in earnings (504) 4,758
Balance, end of period $ 4,764 $ 5,268