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v3.25.1

Divestitures - Additional Information (Details) ¥ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 31, 2023 CNY (¥) | Aug. 31, 2023 USD ($) | Sep. 30, 2023 CNY (¥) | Sep. 30, 2019 | Sep. 30, 2022 CNY (¥) | Sep. 30, 2022 USD ($)
Divestitures |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | Other Nonoperating Income (Expense) |  |  |
Beijing Origin |  |  |  |  |  |
Divestitures |  |  |  |  |  |
Ownership percentage by VEI subsidiary (as a percent) |  |  |  | 49.00% |  |
Beijing Changping Technology Development Co. Ltd.("BC-TID") | Beijing Origin |  |  |  |  |  |
Divestitures |  |  |  |  |  |
Percentage of Ownership | 51.00% | 51.00% |  | 51.00% |  |
Ownership percentage by VEI subsidiary (as a percent) | 48.27% | 48.27% |  |  |  |
Equity investments |  |  |  |  | ¥ 137,700 | $ 20,200
Beijing Changping Technology Development Co. Ltd.("BC-TID") | Disposal Group |  |  |  |  |  |
Divestitures |  |  |  |  |  |
Recognized disposal gain | ¥ 40,740 | $ 5,670 | ¥ 40,741 |  |  |
Gain attributable to disposal group | ¥ 28,790 | $ 4,010 | ¥ 28,788 |  |  |
Beijing Changping Technology Development Co. Ltd.("BC-TID") | Beijing Changping Technology Development Co. Ltd.("BC-TID") |  |  |  |  |  |
Divestitures |  |  |  |  |  |
Equity method investment ownership percentage | 48.27% | 48.27% |  |  |  |

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