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Schedule of Balance of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Oct. 31, 2022 | Jul. 31, 2022
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt securities |  | $ 19,811 | $ 22,303
Fair Value, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt securities |  | 19,811 | 22,303
Equity investments included in current assets |  | 9,369 | 17,091
Equity investments included in noncurrent assets |  | 1,105 | 2,362
Total |  | 30,285 | 41,756
Acquisition consideration included in other current liabilities |  | (2,203) | (2,578)
Acquisition consideration included in other noncurrent liabilities |  | (4,400) | (5,968)
Acquisition consideration included in other liabilities |  | (6,603) | (8,546)
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 | [1] | 13,780 | 13,734
Equity investments included in current assets | [1] | 9,369 | 17,091
Equity investments included in noncurrent assets | [1] |  |
Total | [1] | 23,149 | 30,825
Acquisition consideration included in other current liabilities | [1] |  |
Acquisition consideration included in other noncurrent liabilities | [1] |  |
Acquisition consideration included in other liabilities | [1] |  |
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 | [2] | 6,031 | 8,569
Equity investments included in current assets | [2] |  |
Equity investments included in noncurrent assets | [2] |  | 1,230
Total | [2] | 6,031 | 9,799
Acquisition consideration included in other current liabilities | [2] |  |
Acquisition consideration included in other noncurrent liabilities | [2] |  |
Acquisition consideration included in other liabilities | [2] |  |
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 | [3] |  |
Equity investments included in current assets | [3] |  |
Equity investments included in noncurrent assets | [3] | 1,105 | 1,132
Total | [3] | 1,105 | 1,132
Acquisition consideration included in other current liabilities | [3] | (2,203) | (2,578)
Acquisition consideration included in other noncurrent liabilities | [3] | (4,400) | (5,968)
Acquisition consideration included in other liabilities | [3] | $ (6,603) | $ (8,546)
[1] | – quoted prices in active markets for identical assets or liabilities
[2] | – observable inputs other than quoted prices in active markets for identical assets and liabilities
[3] | – no observable pricing inputs in the market

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