Statement Of Cash Flows [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
2021-04-01 to 2022-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Income taxes paid, classified as operating activities |
10,100,000
GBP
|
1,200,000
GBP
|
| Income taxes refund, classified as operating activities |
6,100,000
GBP
|
–
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Cash advances and loans made to related parties |
–
GBP
|
13,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
261,300,000
GBP
|
254,500,000
GBP
|