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Analysis of cash flows - Repayment of borrowings (Detail) £ in Millions | 6 Months Ended |
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Jun. 30, 2023 GBP (£) | Jun. 30, 2022 GBP (£) | Jun. 30, 2023 EUR (€)
Analysis of cash flows [Abstract] |  |  |
Repayment of bank loans | £ 0.0 | £ (11.3) |
Repayment of revolving credit facility | (400.0) | 0.0 |
Repayment of debt assumed on acquisition | (69.8) | 0.0 |
Repayment of €250 million bonds | 0.0 | (209.3) |
Repayment of borrowings | £ (469.8) | £ (220.6) |
Repayment of €250 million bonds |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Bond amount | € |  |  | € 250,000,000

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- Details
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