Statement Of Changes In Equity [Abstract]
| Concept |
2021-06-01 to 2022-05-31 |
2021-06-01 to 2022-05-31 |
2021-06-01 to 2022-05-31 |
2021-06-01 to 2022-05-31 |
2021-06-01 to 2022-05-31 |
2021-06-01 to 2022-05-31 |
2021-06-01 to 2022-05-31 |
2020-06-01 to 2021-05-31 |
2020-06-01 to 2021-05-31 |
2020-06-01 to 2021-05-31 |
2020-06-01 to 2021-05-31 |
2020-06-01 to 2021-05-31 |
2020-06-01 to 2021-05-31 |
2020-06-01 to 2021-05-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through acquisition of subsidiary, equity |
50 9. 0
GBP
|
–
GBP
|
5 09. 0
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — | — | — | — | — | — |
| Increase (decrease) through transfer to statutory reserve, equity |
–
GBP
|
–
GBP
|
–
GBP
|
7. 3
GBP
|
–
GBP
|
–
GBP
|
7. 3
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
6,400,000
GBP
|
–
GBP
|
6 .4
GBP
|
–
GBP
|
| Decrease (increase) through tax on share-based payment transactions, equity |
500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
500,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
0. 2
GBP
|
0. 2
GBP
|
–
GBP
|
–
GBP
|