Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-07-01 |
As at 2022-07-02 |
As at 2021-06-26 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
169,900,000
GBP
|
173,700,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
5,300,000
GBP
|
9,900,000
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
—
GBP
|
4,600,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
24,300,000
GBP
|
22,900,000
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
211,000,000
GBP
|
223,000,000
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
46,300,000
GBP
|
30,200,000
GBP
|
128,600,000
GBP
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
1,800,000
GBP
|
19,900,000
GBP
|
— |
| Borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
75,900,000
GBP
|
52,800,000
GBP
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
208,100,000
GBP
|
223,200,000
GBP
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
3,100,000
GBP
|
—
GBP
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
7,900,000
GBP
|
—
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
2,000,000
GBP
|
2,000,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
97,500,000
GBP
|
111,200,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of cash flow hedges |
6,900,000
GBP
|
20,200,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital redemption reserve |
43,200,000
GBP
|
43,200,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
696,800,000
GBP
|
737,900,000
GBP
|
— |
| Liabilities |
559,300,000
GBP
|
559,600,000
GBP
|
— |
| Assets (liabilities) |
137,500,000
GBP
|
178,300,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
283,400,000
GBP
|
297,100,000
GBP
|
— |
| Current liabilities |
269,600,000
GBP
|
276,000,000
GBP
|
— |
| Assets less current liabilities [abstract] |