Statement Of Financial Position [Abstract]
| Concept |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2023-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2022-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
As at 2021-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
97,500,000
GBP
|
— | — | — | — | — | — | — |
113,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
64,100,000
GBP
|
— | — | — | — | — | — | — |
101,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
456,800,000
GBP
|
— | — | — | — | — | — | — |
493,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
7,600,000
GBP
|
— | — | — | — | — | — | — |
1,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — |
632,200,000
GBP
|
— | — | — | — | — | — | — |
716,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — |
2,200,000
GBP
|
— | — | — | — | — | — | — |
2,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — |
14,900,000
GBP
|
— | — | — | — | — | — | — |
8,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
58,500,000
GBP
|
— | — | — | — | — | — | — |
95,700,000
GBP
|
— |
68,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — |
106,200,000
GBP
|
— | — | — | — | — | — | — |
140,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
738,400,000
GBP
|
— | — | — | — | — | — | — |
856,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
65,000,000
GBP
|
— | — | — | — | — | — | — |
65,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
61,600,000
GBP
|
— | — | — | — | — | — | — |
156,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — |
155,700,000
GBP
|
— | — | — | — | — | — | — |
155,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
329,700,000
GBP
|
— | — | — | — | — | — | — |
425,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
300,000
GBP
|
— | — | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
14,000,000
GBP
|
61,600,000
GBP
|
300,000
GBP
|
329,700,000
GBP
|
33,400,000
GBP
|
155,700,000
GBP
|
330,000,000
GBP
|
65,000,000
GBP
|
156,500,000
GBP
|
155,700,000
GBP
|
100,000
GBP
|
33,400,000
GBP
|
14,600,000
GBP
|
425,200,000
GBP
|
425,100,000
GBP
|
65,000,000
GBP
|
360,300,000
GBP
|
33,400,000
GBP
|
14,600,000
GBP
|
155,700,000
GBP
|
65,000,000
GBP
|
100,000
GBP
|
91,700,000
GBP
|
–
GBP
|
900,000
GBP
|
360,400,000
GBP
|
900,000
GBP
|
65,000,000
GBP
|
92,600,000
GBP
|
361,300,000
GBP
|
–
GBP
|
900,000
GBP
|
–
GBP
|
–
GBP
|
33,400,000
GBP
|
361,200,000
GBP
|
100,000
GBP
|
155,700,000
GBP
|
–
GBP
|
14,600,000
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Non-current provisions | — | — | — | — | — | — |
31,700,000
GBP
|
— | — | — | — | — | — | — |
5,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — |
1,500,000
GBP
|
— | — | — | — | — | — | — |
20,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
163,400,000
GBP
|
— | — | — | — | — | — | — |
215,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — |
7,300,000
GBP
|
— | — | — | — | — | — | — |
6,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — |
126,100,000
GBP
|
— | — | — | — | — | — | — |
131,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — |
5,700,000
GBP
|
— | — | — | — | — | — | — |
4,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
245,000,000
GBP
|
— | — | — | — | — | — | — |
216,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
408,400,000
GBP
|
— | — | — | — | — | — | — |
431,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |