Statement Of Comprehensive Income [Abstract]
| Concept |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2021-09-01 to 2022-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
2020-09-01 to 2021-08-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
–
GBP
|
3 0 . 8
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
3 0 . 8
GBP
|
–
GBP
|
–
GBP
|
12 8 . 4
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
12 8 . 4
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income |
–
GBP
|
6 .1
GBP
|
0. 3
GBP
|
–
GBP
|
–
GBP
|
6,400,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
2 9.8
GBP
|
–
GBP
|
3 0 .1
GBP
|
0 .3
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income |
–
GBP
|
2 4 .7
GBP
|
0. 3
GBP
|
–
GBP
|
–
GBP
|
6,400,000
GBP
|
3 0 . 8
GBP
|
–
GBP
|
–
GBP
|
15 8 . 2
GBP
|
–
GBP
|
3 0 .1
GBP
|
0 .3
GBP
|
12 8 . 4
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
2 4 .7
GBP
|
— | — | — | — | — | — | — |
15 8 . 2
GBP
|
— | — | — | — | — | — |