Statement Of Financial Position [Abstract]
| Concept |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment |
105,337,000
GBP
|
— | — | — | — | — | — | — | — |
101,243,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
11,744,000
GBP
|
— | — | — | — | — | — | — | — |
6,763,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
828,000
GBP
|
— | — | — | — | — | — | — | — |
964,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
149,525,000
GBP
|
— | — | — | — | — | — | — | — |
140,350,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current inventories |
46,809,000
GBP
|
— | — | — | — | — | — | — | — |
47,955,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
31,894,000
GBP
|
— | — | — | — | — | — | — | — |
34,589,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
30,678,000
GBP
|
— | — | — | — | — | — | — | — |
19,661,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,651,000
GBP
|
— |
| Current assets |
134,703,000
GBP
|
— | — | — | — | — | — | — | — |
122,483,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
284,228,000
GBP
|
— | — | — | — | — | — | — | — |
262,833,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital |
751,000
GBP
|
— | — | — | — | — | — | — | — |
769,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
123,714,000
GBP
|
— | — | — | — | — | — | — | — |
119,055,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
122,281,000
GBP
|
— | — | — | — | — | — | — | — |
124,747,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
4,369,000
GBP
|
— | — | — | — | — | — | — | — |
4,410,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
126,650,000
GBP
|
751,000
GBP
|
2,391,000
GBP
|
123,714,000
GBP
|
4,369,000
GBP
|
633,000
GBP
|
122,281,000
GBP
|
‒
GBP
|
426,000
GBP
|
129,157,000
GBP
|
124,747,000
GBP
|
4,410,000
GBP
|
119,055,000
GBP
|
1,504,000
GBP
|
849,000
GBP
|
769,000
GBP
|
976,000
GBP
|
5,244,000
GBP
|
111,440,000
GBP
|
463,000
GBP
|
115,310,000
GBP
|
4,433,000
GBP
|
769,000
GBP
|
5,244,000
GBP
|
140,000
GBP
|
119,743,000
GBP
|
2,746,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Other non-current provisions |
274,000
GBP
|
— | — | — | — | — | — | — | — |
246,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
14,799,000
GBP
|
— | — | — | — | — | — | — | — |
11,363,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
96,524,000
GBP
|
— | — | — | — | — | — | — | — |
58,865,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||
| Current provisions |
231,000
GBP
|
— | — | — | — | — | — | — | — |
266,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
30,830,000
GBP
|
— | — | — | — | — | — | — | — |
31,765,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
859,000
GBP
|
— | — | — | — | — | — | — | — |
921,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
61,054,000
GBP
|
— | — | — | — | — | — | — | — |
74,811,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
157,578,000
GBP
|
— | — | — | — | — | — | — | — |
133,676,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |