Disclosure Of Interests In Other Entities [Text Block]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of interests in other entities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of interests in subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of subsidiaries [abstract] | |||||||||||||||||||
| Disclosure of subsidiaries [line items] | |||||||||||||||||||
| Non-controlling interests | — | — | — | — |
–
GBP
|
— | — | — | — | — | — | — | — |
200,000
GBP
|
— | — | — | — | — |
| Current assets | — | — | — | — |
645,800,000
GBP
|
— | — | — | — | — | — | — | — |
636,500,000
GBP
|
— | — | — | — | — |
| Non-current assets | — | — | — | — |
694,900,000
GBP
|
— | — | — | — | — | — | — | — |
709,300,000
GBP
|
— | — | — | — | — |
| Current liabilities | — | — | — | — |
278,000,000
GBP
|
— | — | — | — | — | — | — | — |
310,600,000
GBP
|
— | — | — | — | — |
| Non-current liabilities | — | — | — | — |
161,900,000
GBP
|
— | — | — | — | — | — | — | — |
149,100,000
GBP
|
— | — | — | — | — |
| Revenue | — | — | — | — | — | — | — |
617,800,000
GBP
|
— |
500,500,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Profit (loss) |
200,000
GBP
|
–
GBP
|
–
GBP
|
149,400,000
GBP
|
— |
–
GBP
|
–
GBP
|
149,600,000
GBP
|
149,400,000
GBP
|
105,300,000
GBP
|
–
GBP
|
105,500,000
GBP
|
–
GBP
|
— |
–
GBP
|
–
GBP
|
200,000
GBP
|
105,500,000
GBP
|
— |
| Comprehensive income |
200,000
GBP
|
–
GBP
|
–
GBP
|
146,900,000
GBP
|
— |
2,500,000
GBP
|
–
GBP
|
147,100,000
GBP
|
149,400,000
GBP
|
106,000,000
GBP
|
–
GBP
|
105,500,000
GBP
|
–
GBP
|
— |
–
GBP
|
700,000
GBP
|
200,000
GBP
|
106,200,000
GBP
|
— |
| Disclosure of interests in associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of associates [abstract] | |||||||||||||||||||
| Disclosure of associates [line items] | |||||||||||||||||||
| Other comprehensive income |
–
GBP
|
–
GBP
|
–
GBP
|
2,500,000
GBP
|
— |
2,500,000
GBP
|
–
GBP
|
2,500,000
GBP
|
–
GBP
|
700,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
700,000
GBP
|
–
GBP
|
700,000
GBP
|
— |
| Disclosure of interests in joint arrangements [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of joint ventures [abstract] | |||||||||||||||||||
| Disclosure of joint ventures [line items] | |||||||||||||||||||
| Cash and cash equivalents | — | — | — | — |
197,300,000
GBP
|
— | — | — | — | — | — | — | — |
188,100,000
GBP
|
— | — | — | — |
179,400,000
GBP
|
| Tax expense (income) | — | — | — | — | — | — | — |
34,100,000
GBP
|
— |
27,300,000
GBP
|
— | — | — | — | — | — | — | — | — |