Statement Of Financial Position [Abstract]
| Concept |
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 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
As at 2021-05-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — |
154,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
112,500,000
GBP
|
— | — | — | — | — | — | — |
| Right-of-use assets | — |
359,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
293,600,000
GBP
|
— | — | — | — | — | — | — |
| Goodwill | — |
182,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
165,100,000
GBP
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
17,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
18,100,000
GBP
|
— | — | — | — | — | — | — |
| Trade and other non-current receivables | — |
2,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2,700,000
GBP
|
— | — | — | — | — | — | — |
| Deferred tax assets | — |
6,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
9,300,000
GBP
|
— | — | — | — | — | — | — |
| Non-current assets | — |
722,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
601,300,000
GBP
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — |
356,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
302,600,000
GBP
|
— | — | — | — | — | — | — |
| Trade and other current receivables | — |
17,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
19,600,000
GBP
|
— | — | — | — | — | — | — |
| Current tax assets, current | — |
2,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
600,000
GBP
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — |
136,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
105,900,000
GBP
|
— | — | — | — | — |
76,100,000
GBP
|
— |
| Current assets | — |
512,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
428,700,000
GBP
|
— | — | — | — | — | — | — |
| Assets | — |
1,235,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1,030,000,000
GBP
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — |
3,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
3,000,000
GBP
|
— | — | — | — | — | — | — |
| Retained earnings | — |
337,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
214,300,000
GBP
|
— | — | — | — | — | — | — |
| Share premium | — |
147,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
147,100,000
GBP
|
— | — | — | — | — | — | — |
| Other reserves | — |
18,400,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
6,700,000
GBP
|
— | — | — | — | — | — | — |
| Equity |
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
|
2,200,000
GBP
|
–
GBP
|
147,100,000
GBP
|
4,000,000
GBP
|
3,000,000
GBP
|
250,300,000
GBP
|
106,400,000
GBP
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions | — |
6,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
4,100,000
GBP
|
— | — | — | — | — | — | — |
| Trade and other non-current payables | — |
900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1,300,000
GBP
|
— | — | — | — | — | — | — |
| Deferred tax liabilities | — |
3,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
400,000
GBP
|
— | — | — | — | — | — | — |
| Non-current liabilities | — |
492,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
418,900,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions | — |
1,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — |
| Trade and other current payables | — |
218,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
200,100,000
GBP
|
— | — | — | — | — | — | — |
| Current tax liabilities, current | — |
4,900,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
2,000,000
GBP
|
— | — | — | — | — | — | — |
| Current liabilities | — |
272,800,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
249,800,000
GBP
|
— | — | — | — | — | — | — |
| Liabilities | — |
765,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — |
668,700,000
GBP
|
— | — | — | — | — | — | — |