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Financial risk management - Summary of hedging reserve (Details) - GBP (£) £ in Thousands | Dec. 31, 2023 | Jun. 30, 2023 | Dec. 31, 2022
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Financial risk management |  |  |
Cash flow hedge reserve | £ 1,521 | £ 2,815 | £ 2,249
Cost of hedging reserve | (1,546) | 1,187 |
Total hedging reserve | £ (25) | £ 4,002 | £ 2,249

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- Definition A component of equity representing the accumulated portion of gain (loss) on a hedging instrument that is determined to be an effective hedge for cash flow hedges. [Refer: Cash flow hedges [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 9 -IssueDate 2022-03-24 -Paragraph 6.5.11 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2022-en-r&anchor=para_6.5.11&doctype=Standard -URIDate 2022-03-24 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition A component of equity representing the accumulated change in the value of the forward elements of forward contracts when separating the forward element and spot element of a forward contract and designating as the hedging instrument only the changes in the spot element. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 9 -IssueDate 2022-03-24 -Paragraph 6.5.16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2022-en-r&anchor=para_6.5.16&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition not applicable + References No definition available. + Details
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- Definition Reserve of cash flow hedges and change in value of forward elements of forward contracts + References No definition available. + Details
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Namespace Prefix: | manu_
Data Type: | xbrli:monetaryItemType
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