Statement Of Comprehensive Income [Abstract]
| Concept |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
-
GBP
|
-
GBP
|
-
GBP
|
153,900,000
GBP
|
153,900,000
GBP
|
-
GBP
|
-
GBP
|
313,600,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
313,600,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — |
1,600,000
GBP
|
— | — | — |
11,600,000
GBP
|
— | — | — | — | — | — |
| Other comprehensive income |
-
GBP
|
-
GBP
|
-
GBP
|
1,600,000
GBP
|
1,600,000
GBP
|
-
GBP
|
-
GBP
|
11,600,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
11,600,000
GBP
|
| Comprehensive income |
-
GBP
|
-
GBP
|
-
GBP
|
155,500,000
GBP
|
155,500,000
GBP
|
-
GBP
|
-
GBP
|
325,200,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
325,200,000
GBP
|