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 |
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) |
37 .8
GBP
|
— |
–
GBP
|
–
GBP
|
–
GBP
|
3 7 .8
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
123,900,000
GBP
|
–
GBP
|
–
GBP
|
123,900,000
GBP
|
— | — |
| Cash flows from (used in) operations |
110,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
80,500,000
GBP
|
— | — |
| Interest paid, classified as operating activities |
31,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
22,600,000
GBP
|
— | — |
| Cash flows from (used in) operating activities |
78,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
5 7. 9
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities |
3. 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
700,000
GBP
|
— | — |
| Purchase of intangible assets, classified as investing activities |
800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
500,000
GBP
|
— | — |
| Other inflows (outflows) of cash, classified as investing activities |
2,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4,500,000
GBP
|
— | — |
| Cash flows from (used in) investing activities |
200 .2
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
9,200,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||
| Payments to acquire or redeem entity's shares |
–
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
0 .3
GBP
|
— | — |
| Proceeds from borrowings, classified as financing activities |
286. 0
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
25,000,000
GBP
|
— | — |
| Repayments of borrowings, classified as financing activities |
150,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
17 3.5
GBP
|
— | — |
| Dividends paid, classified as financing activities |
43,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
43,300,000
GBP
|
— | — |
| Cash flows from (used in) financing activities |
90,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
209. 1
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
30,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
142,000,000
GBP
|
— | — |
| Cash and cash equivalents | — |
18,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
49,000,000
GBP
|
191,000,000
GBP
|