Statement Of Cash Flows [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||
| Profit (loss) |
–
GBP
|
— |
20,600,000
GBP
|
37,400,000
GBP
|
–
GBP
|
–
GBP
|
16,800,000
GBP
|
16,800,000
GBP
|
18,200,000
GBP
|
8,400,000
GBP
|
–
GBP
|
26,600,000
GBP
|
–
GBP
|
–
GBP
|
26,600,000
GBP
|
— | — |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||
| Adjustments for share-based payments | — | — | — | — | — | — | — |
900,000
GBP
|
— | — | — | — | — | — |
900,000
GBP
|
— | — |
| Adjustments for undistributed profits of associates | — | — | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — | — |
200,000
GBP
|
— | — |
| Cash flows from (used in) operations | — | — | — | — | — | — | — |
36,300,000
GBP
|
— | — | — | — | — | — |
59,800,000
GBP
|
— | — |
| Interest paid, classified as operating activities | — | — | — | — | — | — | — |
14,100,000
GBP
|
— | — | — | — | — | — |
20,300,000
GBP
|
— | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — | — |
25,800,000
GBP
|
— | — | — | — | — | — |
47,100,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — |
196,000,000
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — | — |
3,000,000
GBP
|
— | — |
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — | — | — | — | — | — | — |
2,300,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
— | — |
| Interest received, classified as investing activities | — | — | — | — | — | — | — |
1,200,000
GBP
|
— | — | — | — | — | — |
400,000
GBP
|
— | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
20,000,000
GBP
|
— | — | — | — | — | — |
240,200,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — | — | — |
335,000,000
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — |
400,000
GBP
|
— | — | — | — | — | — |
700,000
GBP
|
— | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — | — |
19,600,000
GBP
|
— | — | — | — | — | — |
19,300,000
GBP
|
— | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
20,000,000
GBP
|
— | — | — | — | — | — |
355,000,000
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — | — | — | — |
25,800,000
GBP
|
— | — | — | — | — | — |
67,700,000
GBP
|
— | — |
| Cash and cash equivalents | — |
108,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
82,800,000
GBP
|
150,500,000
GBP
|