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 |
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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 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 |
As at 2021-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — |
872,856,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1,135,129,000
GBP
|
— | — | — | — | — | — | — |
1,021,016,000
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 | — |
264,181,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
448,086,000
GBP
|
— | — | — | — | — | — | — |
412,855,000
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 |
46,416,000
GBP
|
608,675,000
GBP
|
116,619,000
GBP
|
1,233,000
GBP
|
848,000
GBP
|
7,743,000
GBP
|
437,221,000
GBP
|
291,000
GBP
|
7,743,000
GBP
|
–
GBP
|
1,223,000
GBP
|
112,654,000
GBP
|
367,505,000
GBP
|
687,043,000
GBP
|
197,627,000
GBP
|
291,000
GBP
|
7,478,000
GBP
|
–
GBP
|
164,316,000
GBP
|
326,608,000
GBP
|
291,000
GBP
|
608,161,000
GBP
|
1,478,000
GBP
|
107,990,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |