Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
2021-10-01 to 2022-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
2020-10-01 to 2021-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
313,600,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
313,600,000
GBP
|
-
GBP
|
164,500,000
GBP
|
-
GBP
|
-
GBP
|
164,500,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income that will not be reclassified to profit or loss, net of tax |
11,600,000
GBP
|
— | — | — | — | — | — | — | — |
7,300,000
GBP
|
— | — | — | — | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax |
-
GBP
|
— | — | — | — | — | — | — | — |
2,500,000
GBP
|
— | — | — | — | — | — |
| Other comprehensive income |
11,600,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
11,600,000
GBP
|
-
GBP
|
4,800,000
GBP
|
-
GBP
|
-
GBP
|
7,300,000
GBP
|
-
GBP
|
2,500,000
GBP
|
-
GBP
|
| Comprehensive income |
325,200,000
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
-
GBP
|
325,200,000
GBP
|
-
GBP
|
169,300,000
GBP
|
-
GBP
|
-
GBP
|
171,800,000
GBP
|
-
GBP
|
2,500,000
GBP
|
-
GBP
|