Statement Of Cash Flows [Abstract]
| Concept |
2023-04-01 to 2024-03-31 |
2022-04-01 to 2023-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Income taxes paid, classified as operating activities |
–
GBP
|
10,800,000
GBP
|
| Income taxes refund, classified as operating activities |
4,600,000
GBP
|
17,600,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
320,000,000
GBP
|
301,200,000
GBP
|