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Schedule of Balance of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Jul. 31, 2022
Jul. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities $ 22,303 $ 14,012
Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities 22,303 14,012
Equity investments included in current assets 17,091 42,434
Equity investments included in noncurrent assets 2,362 2,465
Total 41,756 58,911
Acquisition consideration included in other current liabilities (2,578) (628)
Acquisition consideration included in other noncurrent liabilities (5,968) (397)
Acquisition consideration included in other liabilities (8,546) (1,025)
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities 13,734 1,652
Equity investments included in current assets 17,091 40,225
Equity investments included in noncurrent assets
Total 30,825 41,877
Acquisition consideration included in other current liabilities
Acquisition consideration included in other noncurrent liabilities
Acquisition consideration included in other liabilities
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities 8,569 12,360
Equity investments included in current assets 2,209
Equity investments included in noncurrent assets 1,230
Total 9,799 14,569
Acquisition consideration included in other current liabilities
Acquisition consideration included in other noncurrent liabilities
Acquisition consideration included in other liabilities
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt securities
Equity investments included in current assets
Equity investments included in noncurrent assets 1,132 2,465
Total 1,132 2,465
Acquisition consideration included in other current liabilities (2,578) (628)
Acquisition consideration included in other noncurrent liabilities (5,968) (397)
Acquisition consideration included in other liabilities $ (8,546) $ (1,025)