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v3.20.2

Goodwill and acquisitions (Tables) | 6 Months Ended
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Jun. 30, 2020
Text block [abstract] |
Cash-generating Units (CGUs) with Significant Goodwill | Cash-generating units ( CGUs ) with significant goodwill and brands with an indefinite useful life as at 30 June are:
|  | Goodwill |  |  | Brands with an indefinite useful life |
|  | 30 June 2020 |  |  | 31 December 2019 |  |  | 30 June 2020 |  |  | 31 December 2019 |
CGU |  | £m |  |  | £m |  |  | £m |  |  | £m |
GroupM |  |  | 3,072.2 |  |  |  | 2,936.0 |  |  |  | — |  |  |  | — |
Wunderman Thompson |  |  | 1,167.2 |  |  |  | 2,138.9 |  |  |  | 433.3 |  |  |  | 409.7 |
VMLY&R |  |  | 460.6 |  |  |  | 901.0 |  |  |  | 203.6 |  |  |  | 199.1 |
Ogilvy |  |  | 828.1 |  |  |  | 762.9 |  |  |  | 218.5 |  |  |  | 211.1 |
Burson Cohn & Wolfe |  |  | 651.3 |  |  |  | 741.4 |  |  |  | 138.0 |  |  |  | 130.2 |
Other |  |  | 1,940.8 |  |  |  | 2,690.5 |  |  |  | 136.4 |  |  |  | 128.1 |
|  |  | 8,120.2 |  |  |  | 10,170.7 |  |  |  | 1,129.8 |  |  |  | 1,078.2 |
Disclosure of Cash Generating Units With Significant ​Impairments​ of Goodwill​ | The CGUs with significant impairments of goodwill as at 30 June 2020 are set out in the below table.
|  | Operating Sector |  | Recoverable amount |  |  | Goodwill impairment charge |
CGU |  |  |  | £m |  |  | £m |
Wunderman Thompson |  | Global Integrated Agencies |  |  | 1,932.2 |  |  |  | 1,071.4 |
VMLY&R |  | Global Integrated Agencies |  |  | 918.3 |  |  |  | 472.0 |
Burson Cohn & Wolfe |  | Public Relations |  |  | 859.8 |  |  |  | 129.1 |
Geometry Global |  | Specialist Agencies |  |  | 205.9 |  |  |  | 232.9 |
Landor & FITCH |  | Specialist Agencies |  |  | 197.5 |  |  |  | 158.3 |
Other |  | Other |  |  | 1,349.3 |  |  |  | 457.1 |
Sensitivity of CGUs with an impairment charge | A summary of the movements in the impairment charge from a reasonably possible change in these assumptions is as follows:
|  | Impact of changes to assumptions in 5-year projection period |  |  | Impact of change to terminal value assumptions |  |  | Impact of change to pre-tax discount rate |
CGU |  | Revenue less pass-through costs growth rate +/- 0.5% |  |  | Operating m argin% +/- 0.5% |  |  | Long-term cash flow growth rate +/- 0.5% |  |  | +1.5% |  |  | -1.5% |
|  | £m |  |  | £m |  |  | £m |  |  | £m |  |  | £m |
Wunderman Thompson |  |  | 19.2 |  |  |  | 70.8 |  |  |  | 54.6 |  |  |  | (210.2 | ) |  |  | 279.4 |
VMLY&R |  |  | 8.3 |  |  |  | 37.7 |  |  |  | 22.9 |  |  |  | (100.1 | ) |  |  | 132.0 |
Burson Cohn & Wolfe |  |  | 9.6 |  |  |  | 21.8 |  |  |  | 26.9 |  |  |  | (98.7 | ) |  |  | 129.1 |
Geometry Global |  |  | 1.2 |  |  |  | 13.5 |  |  |  | 3.6 |  |  |  | (22.3 | ) |  |  | 29.7 |
Landor & FITCH |  |  | 2.1 |  |  |  | 6.5 |  |  |  | 6.0 |  |  |  | (23.5 | ) |  |  | 31.3 |
Other |  |  | 11.9 |  |  |  | 47.8 |  |  |  | 33.9 |  |  |  | (136.4 | ) |  |  | 164.2 |
|  |  | 52.3 |  |  |  | 198.1 |  |  |  | 147.9 |  |  |  | (591.2 | ) |  |  | 765.7 |

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