Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — |
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| 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 |
220,981,000
GBP
|
112,510,000
GBP
|
648,000
GBP
|
13,537,000
GBP
|
19,000
GBP
|
121,341,000
GBP
|
— |
19,000
GBP
|
9,692,000
GBP
|
612,000
GBP
|
64,370,000
GBP
|
128,859,000
GBP
|
184,168,000
GBP
|
19,000
GBP
|
5,818,000
GBP
|
104,207,000
GBP
|
163,388,000
GBP
|
610,000
GBP
|
64,370,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |