Statement Of Financial Position [Abstract]
| Concept |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2024-03-30 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2023-03-25 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
As at 2022-03-26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — |
85,400,000
GBP
|
— | — | — | — | — |
9 7. 1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — | — |
10,200,000
GBP
|
— | — | — | — | — |
12,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — |
5 .9
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — | — |
132,900,000
GBP
|
— | — | — | — | — |
154,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — | — | — |
41,700,000
GBP
|
— | — | — | — | — |
49,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — | — | — | — | — |
72,800,000
GBP
|
— | — | — | — | — |
7 0. 7
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — |
2 9. 3
GBP
|
— | — | — | — | — |
40 .3
GBP
|
— | — | — | — | — | — | — | — |
24,300,000
GBP
|
— | — | — |
| Current assets | — | — | — | — | — | — | — | — |
161,400,000
GBP
|
— | — | — | — | — |
181,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — |
294,300,000
GBP
|
— | — | — | — | — |
336 .2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — |
8 9.0
GBP
|
— | — | — | — | — |
88,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — | — |
70,200,000
GBP
|
— | — | — | — | — |
55,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — | — |
42,300,000
GBP
|
— | — | — | — | — |
42,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — | — |
83,800,000
GBP
|
— | — | — | — | — |
83,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — |
11,600,000
GBP
|
— | — | — | — | — |
6,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — |
14,200,000
GBP
|
— | — | — | — | — |
15,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
89,000,000
GBP
|
42,300,000
GBP
|
5 .9
GBP
|
83,800,000
GBP
|
6. 4
GBP
|
14,200,000
GBP
|
70 .2
GBP
|
1,200,000
GBP
|
2,600,000
GBP
|
55,700,000
GBP
|
15. 9
GBP
|
83,800,000
GBP
|
5,900,000
GBP
|
9. 2
GBP
|
22,600,000
GBP
|
42,200,000
GBP
|
88,800,000
GBP
|
100,000
GBP
|
88,800,000
GBP
|
5,900,000
GBP
|
42,200,000
GBP
|
4,200,000
GBP
|
0 .5
GBP
|
161,800,000
GBP
|
31,900,000
GBP
|
18,000,000
GBP
|
35,100,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — | — |
1,900,000
GBP
|
— | — | — | — | — |
2,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — | — |
180 . 9
GBP
|
— | — | — | — | — |
187 .4
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — | — |
1,800,000
GBP
|
— | — | — | — | — |
6,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — | — | — | — | — |
82 . 8
GBP
|
— | — | — | — | — |
9 2.1
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — | — |
110 .8
GBP
|
— | — | — | — | — |
126 .2
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — |
291. 7
GBP
|
— | — | — | — | — |
313. 6
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |