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Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Apr. 30, 2022
Jul. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, gross, current $ 592,625 $ 486,264
Less: Allowance for credit loss (6,711) (5,636)
Accounts receivable, net 585,914 480,628
Advance charges receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, gross, current 452,103 385,002
Trade accounts receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, gross, current 136,563 97,249
Other receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, gross, current $ 3,959 $ 4,013