Statement Of Cash Flows [Abstract]
| Concept |
2022-08-01 to 2023-07-31 |
As at 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2022-08-01 to 2023-07-31 |
2021-08-01 to 2022-07-31 |
As at 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
2021-08-01 to 2022-07-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
200,000
GBP
|
— |
–
GBP
|
200,000
GBP
|
–
GBP
|
6,621,000
GBP
|
— |
–
GBP
|
6,621,000
GBP
|
–
GBP
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for decrease (increase) in inventories |
5,306,000
GBP
|
— | — | — | — |
4,584,000
GBP
|
— | — | — | — |
| Adjustments for fair value losses (gains) |
19,000
GBP
|
— | — | — | — |
121,000
GBP
|
— | — | — | — |
| Cash flows from (used in) operations |
2,593,000
GBP
|
— | — | — | — |
3,130,000
GBP
|
— | — | — | — |
| Income taxes paid (refund), classified as operating activities |
636,000
GBP
|
— | — | — | — |
914,000
GBP
|
— | — | — | — |
| Cash flows from (used in) operating activities |
3,229,000
GBP
|
— | — | — | — |
4,044,000
GBP
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
–
GBP
|
— | — | — | — |
97,000
GBP
|
— | — | — | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities |
178,000
GBP
|
— | — | — | — |
58,000
GBP
|
— | — | — | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities |
368,000
GBP
|
— | — | — | — |
47,000
GBP
|
— | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities |
102,000
GBP
|
— | — | — | — |
48,000
GBP
|
— | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities |
978,000
GBP
|
— | — | — | — |
380,000
GBP
|
— | — | — | — |
| Interest received, classified as investing activities |
158,000
GBP
|
— | — | — | — |
20,000
GBP
|
— | — | — | — |
| Cash flows from (used in) investing activities |
6,685,000
GBP
|
— | — | — | — |
20,1 17
GBP
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments to acquire or redeem entity's shares |
1,345,000
GBP
|
— | — | — | — |
1,749,000
GBP
|
— | — | — | — |
| Dividends paid, classified as financing activities |
1,311,000
GBP
|
— | — | — | — |
1,348,000
GBP
|
— | — | — | — |
| Interest paid, classified as financing activities |
12,000
GBP
|
— | — | — | — |
12,000
GBP
|
— | — | — | — |
| Cash flows from (used in) financing activities |
2,668,000
GBP
|
— | — | — | — |
3,109,000
GBP
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
12,582,000
GBP
|
— | — | — | — |
12,964,000
GBP
|
— | — | — | — |
| Cash and cash equivalents | — |
18,656,000
GBP
|
— | — | — | — |
31,796,000
GBP
|
— | — | — |