Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-06-30 |
As at 2023-06-30 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
5 7. 5
GBP
|
5 8 .1
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
184,500,000
GBP
|
1 94.9
GBP
|
| Goodwill |
8 52 .9
GBP
|
852 .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 |
3,400,000
GBP
|
2,900,000
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
20 1.9
GBP
|
1 8 2 .1
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
5,2 78.2
GBP
|
5,238,000,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
1,065,300,000
GBP
|
1 , 2 6 9 .1
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
200,000,000
GBP
|
200,000,000
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
—
GBP
|
3 . 4
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other non-current payables [abstract] | ||
| Trade and other non-current payables |
1 7 2 . 0
GBP
|
1 8 8 .7
GBP
|
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
1 , 0 5 5 .1
GBP
|
1 , 1 2 7. 4
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
9 7. 4
GBP
|
9 7. 4
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
3 , 9 74 . 3
GBP
|
4 ,1 3 1 . 2
GBP
|
| Miscellaneous equity [abstract] | ||
| Capital redemption reserve |
4,800,000
GBP
|
4,800,000
GBP
|
| Merger reserve |
1,109,000,000
GBP
|
1,109,000,000
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
7, 8 7 5 . 2
GBP
|
8,00 4.0
GBP
|
| Liabilities |
2,43 6. 1
GBP
|
2 ,4 0 7.6
GBP
|
| Assets (liabilities) |
5 , 4 3 9 .1
GBP
|
5 ,59 6.4
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
6,577 .2
GBP
|
6 ,7 2 0 . 3
GBP
|
| Current liabilities |
1,446,500,000
GBP
|
1,45 4.4
GBP
|
| Assets less current liabilities [abstract] |