Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
2023-03-26 to 2024-03-30 |
As at 2024-03-30 |
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 |
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 |
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| 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 | — | — | — | — | — | — | — | — | — |
294,300,000
GBP
|
— | — | — | — | — |
336 .2
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 | — | — | — | — | — | — | — | — | — |
291. 7
GBP
|
— | — | — | — | — |
313. 6
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 |
89,000,000
GBP
|
42,300,000
GBP
|
5 .9
GBP
|
83,800,000
GBP
|
6. 4
GBP
|
14,200,000
GBP
|
70 .2
GBP
|
1,200,000
GBP
|
— |
2,600,000
GBP
|
55,700,000
GBP
|
15. 9
GBP
|
83,800,000
GBP
|
5,900,000
GBP
|
9. 2
GBP
|
22,600,000
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
|
31,900,000
GBP
|
18,000,000
GBP
|
35,100,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |