Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
2022-03-27 to 2023-03-25 |
As at 2023-03-25 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
As at 2021-03-27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||||||
| Assets | — | — | — | — | — |
348,600,000
GBP
|
— | — | — | — | — | — | — | — | — |
378 .5
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||||||||||
| Liabilities | — | — | — | — | — |
313. 6
GBP
|
— | — | — | — | — | — | — | — | — |
216. 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||||||
| Equity |
43,300,000
GBP
|
15,900,000
GBP
|
83,800,000
GBP
|
5 .9
GBP
|
9. 2
GBP
|
35. 0
GBP
|
42,200,000
GBP
|
88,800,000
GBP
|
— |
100,000
GBP
|
88,800,000
GBP
|
5,900,000
GBP
|
42,200,000
GBP
|
4,200,000
GBP
|
0 .5
GBP
|
161,800,000
GBP
|
31. 9
GBP
|
18. 0
GBP
|
35,100,000
GBP
|
31. 9
GBP
|
14,900,000
GBP
|
111,400,000
GBP
|
88,800,000
GBP
|
42,200,000
GBP
|
5 .7
GBP
|
0. 8
GBP
|
5,900,000
GBP
|
16 .4
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |