| Revenue | 609.1 | 619.6 | 587.8 | 570.7 | 499.8 |
| Profit: | | | | | |
| Headline operating profit | 111.1 | 107.4 | 97.5 | 84.9 | 51.3 |
| Amortisation of acquired intangible fixed assets | (3.9) | (4.5) | (2.0) | (0.9) | (0.9) |
| Operating profit prior to exceptional items | 107.2 | 102.9 | 95.5 | 84.0 | 50.4 |
| Impairment charge | – | – | – | (4.2) | – |
| Profit on disposal of investments | – | – | 2.4 | – | – |
| Acquisition costs | (0.2) | – | (2.5) | – | – |
| Reorganisation costs | – | (0.8) | (2.4) | – | – |
| Operating profit | 107.0 | 102.1 | 93.0 | 79.8 | 50.4 |
| Net finance costs | (3.3) | (3.7) | (3.0) | (4.2) | (5.9) |
| Profit before taxation | 103.7 | 98.4 | 90.0 | 75.6 | 44.5 |
| Taxation | (24.4) | (25.3) | (22.8) | (19.8) | (17.3) |
| Profit after taxation | 79.3 | 73.1 | 67.2 | 55.8 | 27.2 |
| Non-controlling interests | 0.1 | (0.1) | (0.1) | (0.2) | (0.1) |
| Profit attributable to the equity holders of the parent | 79.4 | 73.0 | 67.1 | 55.6 | 27.1 |
| Headline earnings per share (pence) | 43.8 | 41.2 | 37.5 | 32.6 | 18.1 |
| Dividend per share (pence) | 14.4 | 13.5 | 12.3 | 10.9 | 8.7 |
| Special dividend per share (pence) | 20.0 | 10.0 | – | – | – |
| Assets employed | | | | | |
| Intangible fixed assets | 172.1 | 167.9 | 166.8 | 111.5 | 118.1 |
| Tangible fixed assets | 434.6 | 444.6 | 448.7 | 443.9 | 458.0 |
| Other assets and liabilities | (71.5) | (80.1) | (77.2) | (73.2) | (74.3) |
| 535.2 | 532.4 | 538.3 | 482.2 | 501.8 |
| Financed by | | | | | |
| Share capital | 33.1 | 33.1 | 33.1 | 33.0 | 32.8 |
| Reserves | 537.3 | 513.7 | 469.6 | 448.0 | 416.0 |
| Shareholders' funds | 570.4 | 546.8 | 502.7 | 481.0 | 448.8 |
| Non-controlling interests | 0.5 | 0.6 | 1.4 | 1.3 | 1.7 |
| Net (cash)/borrowings | (35.7) | (15.0) | 34.2 | (0.1) | 51.3 |
| Capital employed | 535.2 | 532.4 | 538.3 | 482.2 | 501.8 |
| Net assets per share (pence) | 297.9 | 285.6 | 262.6 | 251.5 | 236.4 |
| Return on capital employed (%): | | | | | |
| Headline operating profit divided by the average of opening and closing capital employed as adjusted for certain items of goodwill written off | 20.7 | 19.9 | 17.9 | 16.3 | 10.2 |