Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-06-30 |
As at 2022-06-30 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
5 8 .1
GBP
|
41. 2
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
19 4 .9
GBP
|
205,400,000
GBP
|
| Goodwill |
8 5 2 .9
GBP
|
8 5 2 .9
GBP
|
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||
| Investments in subsidiaries reported in separate financial statements |
—
GBP
|
—
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Trade and other non-current receivables |
2 .9
GBP
|
6,500,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
1 8 2 .1
GBP
|
237,000,000
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
5,238,000,000
GBP
|
5 ,2 91. 6
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
1 , 2 6 9.1
GBP
|
1, 3 5 2 .7
GBP
|
| Borrowings [abstract] | ||
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
3 . 4
GBP
|
17. 3
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Non-current portion of other non-current borrowings |
200,000,000
GBP
|
2 0 0.0
GBP
|
| Trade and other non-current payables [abstract] | ||
| Trade and other non-current payables |
1 8 8 . 7
GBP
|
24 0.5
GBP
|
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
1,12 7. 4
GBP
|
1 ,4 1 4.4
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
9 7. 4
GBP
|
102 . 2
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
4 ,13 1. 2
GBP
|
4, 1 65. 9
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital redemption reserve |
4,800,000
GBP
|
—
GBP
|
| Merger reserve |
1,1 0 9. 0
GBP
|
1,10 9. 0
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
8,00 4 .0
GBP
|
8,21 0. 7
GBP
|
| Liabilities |
2 , 4 0 7. 6
GBP
|
2,579 .4
GBP
|
| Assets (liabilities) |
5,596,400,000
GBP
|
5 , 6 3 1. 3
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
6 ,7 2 0 . 3
GBP
|
6 ,8 91. 2
GBP
|
| Current liabilities |
1 ,454.4
GBP
|
1 , 707 .6
GBP
|
| Assets less current liabilities [abstract] |