Analysis Of Income And Expense [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||
| Revenue | — | — | — |
–
GBP
|
— |
681,900,000
GBP
|
— | — | — |
681,900,000
GBP
|
— |
644,000,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
644,000,000
GBP
|
| Material income and expense [abstract] | ||||||||||||||||||||
| Finance income (cost) | — | — | — |
600,000
GBP
|
— |
12,300,000
GBP
|
— | — | — |
12,900,000
GBP
|
— |
7,800,000
GBP
|
— | — | — | — | — | — |
5,600,000
GBP
|
13,400,000
GBP
|
| Miscellaneous other operating income | — | — | — |
3,700,000
GBP
|
— |
–
GBP
|
— | — | — |
3,700,000
GBP
|
— |
91,900,000
GBP
|
— | — | — | — | — | — |
88,300,000
GBP
|
3,600,000
GBP
|
| Miscellaneous other operating expense | — | — | — |
20,300,000
GBP
|
— |
253,800,000
GBP
|
— | — | — |
274,100,000
GBP
|
— |
242,800,000
GBP
|
— | — | — | — | — | — |
20,200,000
GBP
|
222,600,000
GBP
|
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [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, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| 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 owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — |
96,300,000
GBP
|
— |
65,000,000
GBP
|
— | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — |
400,000
GBP
|
— |
–
GBP
|
— | — | — | — | — | — | — | — |