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Schedule of Balance of Assets Measured at Fair Value On a Recurring Basis (Details) - USD ($) $ in Thousands | Apr. 30, 2022 | Jul. 31, 2021
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt securities |  | $ 22,706 | $ 14,012
Fair Value, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Debt securities |  | 22,706 | 14,012
Equity investments included in current assets |  | 16,179 | 42,434
Equity investments included in noncurrent assets |  | 2,131 | 2,465
Total |  | 41,016 | 58,911
Acquisition consideration included in other current liabilities |  | (2,578) | (628)
Acquisition consideration included in other noncurrent liabilities |  | (5,970) | (397)
Acquisition consideration included in other liabilities |  | (8,548) | (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 | [1] | 10,885 | 1,652
Equity investments included in current assets | [1] | 16,179 | 40,225
Equity investments included in noncurrent assets | [1] |  |
Total | [1] | 27,064 | 41,877
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] | 11,821 | 12,360
Equity investments included in current assets | [2] |  | 2,209
Equity investments included in noncurrent assets | [2] |  |
Total | [2] | 11,821 | 14,569
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] | 2,131 | 2,465
Total | [3] | 2,131 | 2,465
Acquisition consideration included in other current liabilities | [3] | (2,578) | (628)
Acquisition consideration included in other noncurrent liabilities | [3] | (5,970) | (397)
Acquisition consideration included in other liabilities | [3] | $ (8,548) | $ (1,025)
[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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