Audit Information |
12 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Auditor Information [Abstract] | ||
| Auditor Firm ID | 185 | 42 |
| Auditor Name | KPMG LLP | Ernst & Young LLP |
| Auditor Location | McLean, Virginia | Tysons, Virginia |
| X | ||||||||||
- Definition PCAOB issued Audit Firm Identifier Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Auditor Information No definition available.
|