Analysis Of Income And Expense [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
2021-04-01 to 2022-03-31 |
|---|---|---|
| Analysis of income and expense [abstract] | ||
| Revenue [abstract] | ||
| Revenue |
1,138,500,000
GBP
|
1,368,300,000
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 |
6,400,000
GBP
|
1,000,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||
| Comprehensive income |
8,800,000
GBP
|
29,100,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||
| Comprehensive income from continuing operations, attributable to owners of parent |
6,200,000
GBP
|
3,600,000
GBP
|
| Comprehensive income from discontinued operations, attributable to owners of parent |
15,200,000
GBP
|
25,800,000
GBP
|
| Comprehensive income, attributable to owners of parent |
9,000,000
GBP
|
29,400,000
GBP
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||
| Comprehensive income, attributable to non-controlling interests |
200,000
GBP
|
300,000
GBP
|