Statement Of Financial Position [Abstract]
| Concept |
As at 2024-06-29 |
As at 2024-06-29 |
As at 2024-06-29 |
As at 2024-06-29 |
As at 2024-06-29 |
As at 2024-06-29 |
As at 2024-06-29 |
As at 2023-07-01 |
As at 2023-07-01 |
As at 2023-07-01 |
As at 2023-07-01 |
As at 2023-07-01 |
As at 2023-07-01 |
As at 2023-07-01 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
As at 2022-07-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
173,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
169,900,000
GBP
|
— | — | — | — | — | — | — |
| Right-of-use assets |
222,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
231,300,000
GBP
|
— | — | — | — | — | — | — |
| Investment property |
7,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
—
GBP
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill |
3,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,300,000
GBP
|
— | — | — | — | — | — | — |
| Deferred tax assets |
1,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
6,900,000
GBP
|
— | — | — | — | — | — | — |
| Non-current assets |
409,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
413,400,000
GBP
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories |
223,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
211,000,000
GBP
|
— | — | — | — | — | — | — |
| Trade and other current receivables |
26,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
24,300,000
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents |
23,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
46,300,000
GBP
|
30,200,000
GBP
|
— | — | — | — | — | — |
| Current assets |
272,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
283,400,000
GBP
|
— | — | — | — | — | — | — |
| Assets |
682,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
696,800,000
GBP
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
2,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
2,000,000
GBP
|
— | — | — | — | — | — | — |
| Retained earnings |
94,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
97,500,000
GBP
|
— | — | — | — | — | — | — |
| Share premium |
1,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,700,000
GBP
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent |
137,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
137,500,000
GBP
|
— | — | — | — | — | — | — |
| Equity | — |
137,900,000
GBP
|
43,200,000
GBP
|
1,700,000
GBP
|
94,800,000
GBP
|
3,800,000
GBP
|
2,000,000
GBP
|
6,900,000
GBP
|
137,500,000
GBP
|
1,700,000
GBP
|
43,200,000
GBP
|
97,500,000
GBP
|
2,000,000
GBP
|
— | — |
1,700,000
GBP
|
2,000,000
GBP
|
20,200,000
GBP
|
43,200,000
GBP
|
111,200,000
GBP
|
178,300,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions |
5,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,900,000
GBP
|
— | — | — | — | — | — | — |
| Non-current liabilities |
280,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
289,700,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables |
205,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
208,100,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities |
263,500,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
269,600,000
GBP
|
— | — | — | — | — | — | — |
| Liabilities |
544,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
559,300,000
GBP
|
— | — | — | — | — | — | — |