Statement Of Cash Flows [Abstract]
| Concept |
2024-04-01 to 2025-03-31 |
2023-04-01 to 2024-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Income taxes refund, classified as operating activities |
6,400,000
GBP
|
4,600,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
344,100,000
GBP
|
320,000,000
GBP
|