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Schedule of Balance of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Jan. 31, 2023 | Jul. 31, 2022
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt securities |  | $ 29,777 |  | $ 22,303 |
Fair Value, Recurring [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt securities |  | 29,777 |  | 22,303 |
Equity investments included in current assets |  | 9,213 |  | 17,091 |
Equity investments included in noncurrent assets |  | 1,225 |  | 2,362 |
Total |  | 40,215 |  | 41,756 |
Acquisition consideration included in other current liabilities |  | (2,275) |  | (2,578) |
Acquisition consideration included in other noncurrent liabilities |  | (4,334) |  | (5,968) |
Acquisition consideration included in other liabilities |  | (6,609) |  | (8,546) | [1]
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] | 23,764 |  | 13,734 |
Equity investments included in current assets | [1] | 9,213 |  | 17,091 |
Equity investments included in noncurrent assets | [1] |  |  |  |
Total | [1] | 32,977 |  | 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] | 6,013 |  | 8,569 |
Equity investments included in current assets | [2] |  |  |  |
Equity investments included in noncurrent assets | [2] |  |  | 1,230 |
Total | [2] | 6,013 |  | 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] |  | [1]
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] | 1,225 |  | 1,132 |
Total | [3] | 1,225 |  | 1,132 |
Acquisition consideration included in other current liabilities | [3] | (2,275) |  | (2,578) |
Acquisition consideration included in other noncurrent liabilities | [3] | (4,334) |  | (5,968) |
Acquisition consideration included in other liabilities |  | $ (6,609) | [3] | $ (8,546) | [1]
[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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