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v3.23.2

OTHER CURRENT ASSETS - Summary of other current assets (Parenthetical) (Detail) ¥ in Thousands, $ in Thousands | Mar. 31, 2023 CNY (¥) | Mar. 31, 2023 USD ($) | Sep. 30, 2022 CNY (¥)
--- | --- | --- | ---
Other Assets [Abstract] |  |  |
Deposit for share settlement | ¥ 20,602 | $ 3,000 | ¥ 21,341
Due from shareholders | ¥ 13,910 |  |
Percentage of outstanding shares owned | 5.00% | 5.00% |

X
- Definition Deposit for share settlement current. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Due from shareholders current. + References No definition available. + Details
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- Definition Percentage of outstanding shares owned. + References No definition available. + Details
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Namespace Prefix: | qk_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_OtherAssetsAbstract
Namespace Prefix: | us-gaap_
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Balance Type: | na
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