Statement Of Comprehensive Income [Abstract]
| Concept |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) |
–
GBP
|
95,700,000
GBP
|
–
GBP
|
101,500,000
GBP
|
400,000
GBP
|
6,200,000
GBP
|
–
GBP
|
–
GBP
|
95,700,000
GBP
|
95,300,000
GBP
|
–
GBP
|
64,900,000
GBP
|
64,900,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
64,900,000
GBP
|
–
GBP
|
46,200,000
GBP
|
18,700,000
GBP
|
| Other comprehensive income [abstract] | ||||||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
100,000
GBP
|
100,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
100,000
GBP
|
–
GBP
|
— | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
— |
600,000
GBP
|
–
GBP
|
600,000
GBP
|
600,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
| Comprehensive income |
–
GBP
|
95,700,000
GBP
|
–
GBP
|
— |
400,000
GBP
|
— |
600,000
GBP
|
–
GBP
|
96,300,000
GBP
|
95,900,000
GBP
|
–
GBP
|
65,000,000
GBP
|
65,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
65,000,000
GBP
|
–
GBP
|
— | — |
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — |
96,300,000
GBP
|
— |
65,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — |
400,000
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — | — |