Quarterly report [Sections 13 or 15(d)]

Other Items - Details of Accounts Receivable, Net (Details)

v3.25.2
Other Items - Details of Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Sep. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Allowance for credit losses $ (9,537) $ (4,791)
Accounts receivable, net 1,422,350 879,514
Billed and billable receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, gross 1,030,340 734,817
Unbilled receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable, gross $ 401,547 $ 149,488