Other Balance Sheet Items - Details of Accounts Receivable, Net (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Sep. 30, 2022 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Allowance for credit losses | $ (8,649) | $ (8,273) |
| Accounts receivable, net | 1,014,046 | 807,110 |
| Billed and billable receivables | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable gross | 879,851 | 723,979 |
| Unbilled receivables | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable gross | $ 142,844 | $ 91,404 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|