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Trade and other receivables - Summary of Trade and Other Receivables, Amounts Falling Due After More Than One Year (Detail) - GBP (£)
£ in Millions
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Trade and other non-current receivables [abstract]      
Prepayments £ 1.7 £ 2.2 £ 2.8
Accrued income     22.8
Fair value of derivatives     6.3
Other debtors 142.3 135.4 150.8
Trade and other receivables [1],[2] £ 144.0 £ 137.6 £ 182.7
[1] Figures have been restated to be in accordance with IAS 32 Financial Instruments: Presentation, as described in the accounting policies.
[2] Figures have been restated to be in accordance with IAS 39 Financial Instruments: Recognition and Measurement, as described in the accounting policies.