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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