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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)

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