Statement Of Cash Flows [Abstract]
| Concept |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
As at 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2022-07-01 to 2023-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
As at 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
2021-07-01 to 2022-06-30 |
As at 2021-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||
| Profit (loss) |
—
GBP
|
20,195,000
GBP
|
— |
20,195,000
GBP
|
—
GBP
|
—
GBP
|
32,825,000
GBP
|
32,825,000
GBP
|
— |
—
GBP
|
—
GBP
|
—
GBP
|
— |
| Cash flows from (used in) operations | — | — | — |
32,828,000
GBP
|
— | — | — |
24,224,000
GBP
|
— | — | — | — | — |
| Interest paid, classified as operating activities | — | — | — |
344,000
GBP
|
— | — | — |
479,000
GBP
|
— | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
3,268,000
GBP
|
— | — | — |
3,397,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — |
29,904,000
GBP
|
— | — | — |
20,348,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
1,549,000
GBP
|
— | — | — |
22,792,000
GBP
|
— | — | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — |
13,000
GBP
|
— | — | — |
3,493,000
GBP
|
— | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
461,000
GBP
|
— | — | — |
440,000
GBP
|
— | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — |
595,000
GBP
|
— | — | — |
1,292,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — |
750,000
GBP
|
— | — | — |
24,760,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||
| Proceeds from issuing shares | — | — | — |
573,000
GBP
|
— | — | — |
340,000
GBP
|
— | — | — | — | — |
| Payments to acquire or redeem entity's shares | — | — | — |
—
GBP
|
— | — | — |
371,000
GBP
|
— | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
—
GBP
|
— | — | — |
21,198,000
GBP
|
— | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — |
2,109,000
GBP
|
— | — | — |
3,752,000
GBP
|
— | — | — | — | — |
| Dividends paid, classified as financing activities | — | — | — |
7,462,000
GBP
|
— | — | — |
5,492,000
GBP
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — |
9,012,000
GBP
|
— | — | — |
29,258,000
GBP
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
21,642,000
GBP
|
— | — | — |
15,850,000
GBP
|
— | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
12,000
GBP
|
— | — | — |
205,000
GBP
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — |
21,630,000
GBP
|
— | — | — |
16,813,000
GBP
|
— | — | — | — | — |
| Cash and cash equivalents | — | — |
42,173,000
GBP
|
— | — | — | — | — |
19,785,000
GBP
|
— | — | — |
7,374,000
GBP
|