Statement Of Comprehensive Income [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 comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
503,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
503,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
371. 9
GBP
|
3 71. 9
GBP
|
–
GBP
|
–
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income |
4 . 0
GBP
|
— | — | — | — | — | — | — | — | — | — |
1. 3
GBP
|
— | — |
| Other comprehensive income |
60,400,000
GBP
|
–
GBP
|
–
GBP
|
64,400,000
GBP
|
4 . 0
GBP
|
–
GBP
|
–
GBP
|
20. 9
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
22 . 2
GBP
|
1 . 3
GBP
|
–
GBP
|
| Comprehensive income |
564 .3
GBP
|
–
GBP
|
–
GBP
|
64,400,000
GBP
|
4 . 0
GBP
|
–
GBP
|
503,900,000
GBP
|
20. 9
GBP
|
–
GBP
|
–
GBP
|
3 71. 9
GBP
|
3 49.7
GBP
|
1. 3
GBP
|
–
GBP
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent |
564 .3
GBP
|
— | — | — | — | — | — | — | — | — | — |
3 49.7
GBP
|
— | — |