Statement Of Financial Position [Abstract]
| Concept |
As at 2024-04-28 |
As at 2024-04-28 |
As at 2024-04-28 |
As at 2024-04-28 |
As at 2024-04-28 |
As at 2024-04-28 |
As at 2024-04-28 |
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 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
As at 2022-05-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
191,400,000
GBP
|
— | — | — | — | — | — | — |
154,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
381,800,000
GBP
|
— | — | — | — | — | — | — |
359,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
199,300,000
GBP
|
— | — | — | — | — | — | — |
182,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
16,400,000
GBP
|
— | — | — | — | — | — | — |
17,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
2,100,000
GBP
|
— | — | — | — | — | — | — |
2,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
400,000
GBP
|
— | — | — | — | — | — | — |
6,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
791,400,000
GBP
|
— | — | — | — | — | — | — |
722,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories |
393,300,000
GBP
|
— | — | — | — | — | — | — |
356,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
22,500,000
GBP
|
— | — | — | — | — | — | — |
17,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
4,500,000
GBP
|
— | — | — | — | — | — | — |
2,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
115,700,000
GBP
|
— | — | — | — | — | — | — |
136,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
105,900,000
GBP
|
| Current assets |
536,000,000
GBP
|
— | — | — | — | — | — | — |
512,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
1,327,400,000
GBP
|
— | — | — | — | — | — | — |
1,235,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
3,000,000
GBP
|
— | — | — | — | — | — | — |
3,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
394,100,000
GBP
|
— | — | — | — | — | — | — |
337,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
147,100,000
GBP
|
— | — | — | — | — | — | — |
147,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
23,400,000
GBP
|
— | — | — | — | — | — | — |
18,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
523,000,000
GBP
|
4,400,000
GBP
|
2,200,000
GBP
|
147,100,000
GBP
|
394,100,000
GBP
|
23,400,000
GBP
|
3,000,000
GBP
|
147,100,000
GBP
|
469,300,000
GBP
|
337,000,000
GBP
|
2,800,000
GBP
|
3,000,000
GBP
|
2,200,000
GBP
|
18,400,000
GBP
|
3,000,000
GBP
|
2,200,000
GBP
|
147,100,000
GBP
|
6,700,000
GBP
|
214,300,000
GBP
|
5,800,000
GBP
|
361,300,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions |
8,700,000
GBP
|
— | — | — | — | — | — | — |
6,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current payables |
1,100,000
GBP
|
— | — | — | — | — | — | — |
900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
3,400,000
GBP
|
— | — | — | — | — | — | — |
3,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
530,100,000
GBP
|
— | — | — | — | — | — | — |
492,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions |
1,900,000
GBP
|
— | — | — | — | — | — | — |
1,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
215,400,000
GBP
|
— | — | — | — | — | — | — |
218,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
–
GBP
|
— | — | — | — | — | — | — |
4,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
274,300,000
GBP
|
— | — | — | — | — | — | — |
272,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
804,400,000
GBP
|
— | — | — | — | — | — | — |
765,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — |