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Trade and other receivables - Bad Debt Provisions (Detail) - Trade receivables [member] - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of financial assets [Line items] |  |  |
At beginning of year | £ 116.6 | £ 91.3 | £ 93.8
New acquisitions | 5.0 | 1.5 | 1.2
Charged to the income statement | 45.4 | 66.7 | 27.4
Released to the income statement | (19.0) | (11.6) | (8.4)
Exchange adjustments | (4.1) | 2.1 | (4.1)
Transfer to disposal group classified as held for sale | (8.9) |  | 0.0
Utilisations and other movements | (23.3) | (33.4) | (18.6)
At end of year | £ 111.7 | £ 116.6 | £ 91.3

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