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] | |||||
| Classes of cash receipts from operating activities [abstract] | |||||
| Receipts from sales of goods and rendering of services | — |
236,362,000
GBP
|
219,544,000
GBP
|
— | — |
| Cash flows from (used in) operations | — |
60,538,000
GBP
|
106,087,000
GBP
|
— | — |
| Interest received, classified as operating activities | — |
358,000
GBP
|
4,000
GBP
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
17,479,000
GBP
|
12,500,000
GBP
|
— | — |
| Cash flows from (used in) operating activities | — |
43,417,000
GBP
|
93,591,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
13,596,000
GBP
|
-
GBP
|
— | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
1,990,000
GBP
|
84,000
GBP
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
2,193,000
GBP
|
170,000
GBP
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
253,000
GBP
|
507,000
GBP
|
— | — |
| Cash flows from (used in) investing activities | — |
11,266,000
GBP
|
2,535,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments to acquire or redeem entity's shares | — |
7,100,000
GBP
|
5,000,000
GBP
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
1,328,000
GBP
|
1,889,000
GBP
|
— | — |
| Dividends paid, classified as financing activities | — |
46,070,000
GBP
|
35,213,000
GBP
|
— | — |
| Cash flows from (used in) financing activities | — |
54,498,000
GBP
|
42,102,000
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
185,000
GBP
|
48,954,000
GBP
|
— | — |
| Cash and cash equivalents |
121,037,000
GBP
|
— | — |
120,852,000
GBP
|
71,898,000
GBP
|