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Reconciliation of operating (loss)/profit to headline operating profit - Summary of reconciliation of operating profit to headline operating profit (Detail) - GBP (£) £ in Millions | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Reconciliation of operating profit to headline operating profit [Abstract] |  |
Operating profit | £ 538.7 | £ 483.6
Amortisation and impairment of acquired intangible assets | 31.5 | 30.1
Losses on disposal of investments and subsidiaries | 48.1 | 1.0
Gains (losses) on remeasurement of equity interests arising from change in scope of ownership | 60.4 | 0.0
Litigation settlement | 0.0 | 21.7
Restructuring and transformation costs | 75.3 | 34.3
Restructuring costs in relation to COVID-19 | 5.9 | 19.7
Headline operating profit | £ 639.1 | £ 590.4

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- Definition The amount of expense relating to restructuring. Restructuring is a programme that is planned and controlled by management and materially changes either the scope of a business undertaken by an entity or the manner in which that business is conducted. Such programmes include: (a) the sale or termination of a line of business; (b) closure of business locations in a country or region or the relocation of activities from one country or region to another; (c) changes in management structure; and (d) fundamental reorganisations that have a material effect on the nature and focus of the entity's operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 98 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_98_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The gain on settlements of litigation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 98 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_98_f&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The profit (loss) from operating activities of the entity. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 32 -IssueDate 2022-03-24 -Paragraph IE33 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2022-en-r&anchor=para_IE33&doctype=Illustrative%20Examples -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Amortization and impairment of acquired intangible assets. + References No definition available. + Details
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- Definition Gains (losses) on disposals of investments and subsidiaries. + References No definition available. + Details
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- Definition Gains losses on remeasurement of equity interests arising from change in scope of ownership. + References No definition available. + Details
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- Definition Headline operating profit/loss. + References No definition available. + Details
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- Definition Reconciliation of operating profit to headline operating profit + References No definition available. + Details
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- Definition Restructuring costs due to covid nineteen pandemic + References No definition available. + Details
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