Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2023-09-30 |
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2022-10-01 to 2023-09-30 |
As at 2022-09-30 |
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As at 2022-09-30 |
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As at 2022-09-30 |
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As at 2021-09-30 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — |
Fair value of financial instruments
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — |
726,039,000
GBP
|
— | — | — | — |
806,955,000
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 | — | — | — | — | — | — |
196,079,000
GBP
|
— | — | — | — |
267,632,000
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 |
36,203,000
GBP
|
4,361,000
GBP
|
236,231,000
GBP
|
238,385,000
GBP
|
23,485,000
GBP
|
12,000
GBP
|
529,960,000
GBP
|
5,000
GBP
|
— |
238,385,000
GBP
|
235,903,000
GBP
|
539,323,000
GBP
|
36,412,000
GBP
|
34,690,000
GBP
|
66,740,000
GBP
|
12,000
GBP
|
5,000
GBP
|
1,649,000
GBP
|
238,385,000
GBP
|
5,000
GBP
|
3,213,000
GBP
|
33,287,000
GBP
|
439,454,000
GBP
|
12,000
GBP
|
235,903,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |