Disclosure Of Fair Value Measurement [Text Block]
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As at 2022-04-30 |
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As at 2021-04-30 |
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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 | — | — | — | — | — |
2 8 9, 7 0 5
GBP
|
— | — |
173,539,000
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 | — | — | — | — | — |
323,4 24
GBP
|
— | — |
242,8 5 8
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 |
9 93 ,0 26
GBP
|
43 ,16 4
GBP
|
60 3,849
GBP
|
2 78, 0 83
GBP
|
34 , 2 11
GBP
|
33,7 19
GBP
|
34 , 211
GBP
|
5 76 , 5 0 7
GBP
|
6 9, 3 1 9
GBP
|
34, 906
GBP
|
9 93,026
GBP
|
2 78, 0 8 3
GBP
|
2 7 7, 8 3 7
GBP
|
5 5 0 ,18 3
GBP
|
2 7, 0 1 5
GBP
|
34 , 211
GBP
|
1 , 000 ,5 86
GBP
|
111,3 4 0
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |