| Balance at 2 December 2012 | | 12.3 | 247.8 | 468.2 | 728.3 |
| (Loss)/profit for the period | | — | — | (0.2) | (0.2) |
| Total comprehensive income/(expense) for the period ended 1 December 2013 | | — | — | (0.2) | (0.2) |
| Transactions with owners: | | | | | |
| — Issue of ordinary shares | 4.1 | 0.1 | 3.7 | — | 3.8 |
| — Share-based payments charge | | — | — | 3.3 | 3.3 |
| Total transactions with owners | | 0.1 | 3.7 | 3.3 | 7.1 |
| Balance at 1 December 2013 | | 12.4 | 251.5 | 471.3 | 735.2 |
| (Loss)/profit for the period | | — | — | (0.3) | (0.3) |
| Total comprehensive income/(expense) for the period ended 30 November 2014 | | — | — | (0.3) | (0.3) |
| Transactions with owners: | | | | | |
| — Issue of ordinary shares | 4.1 | 0.1 | 3.1 | — | 3.2 |
| — Share-based payments charge | | — | — | 4.4 | 4.4 |
| Total transactions with owners | | 0.1 | 3.1 | 4.4 | 7.6 |
| Balance at 30 November 2014 | | 12.5 | 254.6 | 475.4 | 742.5 |