Statement Of Cash Flows [Abstract]
| Concept |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
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] | |||||
| 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
|