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 | — |
12,523,000
GBP
|
23,246,000
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
331,000
GBP
|
13,000
GBP
|
— | — |
| Cash flows from (used in) operating activities | — |
767,000
GBP
|
4,930,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
48,000
GBP
|
44,000
GBP
|
— | — |
| Cash flows from (used in) investing activities | — |
192,254,000
GBP
|
174,374,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares | — |
10,000
GBP
|
10,000
GBP
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
–
GBP
|
190,000,000
GBP
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
170,000,000
GBP
|
131,150,000
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
659,000
GBP
|
631,000
GBP
|
— | — |
| Dividends paid, classified as financing activities | — |
13,842,000
GBP
|
12,582,000
GBP
|
— | — |
| Cash flows from (used in) financing activities | — |
185,580,000
GBP
|
45,701,000
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
7,441,000
GBP
|
123,743,000
GBP
|
— | — |
| Cash and cash equivalents |
50,925,000
GBP
|
— | — |
43,484,000
GBP
|
167,227,000
GBP
|