Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-05-31 |
As at 2023-05-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
41. 8
GBP
|
3 6 .1
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
216 . 6
GBP
|
276 . 5
GBP
|
| Goodwill |
599. 0
GBP
|
6 11 . 0
GBP
|
| Investments accounted for using equity method [abstract] | ||
| Investments in associates accounted for using equity method |
9,900,000
GBP
|
12 . 5
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Non-current prepayments and non-current accrued income other than non-current contract assets [abstract] | ||
| Non-current prepayments |
5,400,000
GBP
|
300,000
GBP
|
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | ||
| Miscellaneous non-current assets [abstract] | ||
| Non-current investments other than investments accounted for using equity method |
1. 8
GBP
|
1. 2
GBP
|
| Trade and other current receivables [abstract] | ||
| Current trade receivables |
508,300,000
GBP
|
570 .4
GBP
|
| Current prepayments and current accrued income other than current contract assets [abstract] | ||
| Current prepayments [abstract] | ||
| Current prepayments |
2 7. 4
GBP
|
2 5.3
GBP
|
| Other current receivables |
1 5.3
GBP
|
10 . 0
GBP
|
| Current prepayments and current accrued income including current contract assets [abstract] | ||
| Categories of non-current financial assets [abstract] | ||
| Non-current financial assets at fair value through other comprehensive income [abstract] | ||
| Non-current financial assets at fair value through other comprehensive income |
3 51 . 4
GBP
|
379. 6
GBP
|
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
983 .2
GBP
|
798. 5
GBP
|
| Miscellaneous current assets [abstract] | ||
| Other current assets |
36,600,000
GBP
|
15 . 0
GBP
|
| Trade and other non-current payables [abstract] | ||
| Other non-current payables |
1. 3
GBP
|
1. 2
GBP
|
| Trade and other current payables [abstract] | ||
| Current trade payables |
493 .3
GBP
|
478 . 0
GBP
|
| Other current payables |
17 5 . 5
GBP
|
11 6 . 2
GBP
|
| Miscellaneous liabilities [abstract] | ||
| Debt instruments issued |
2 9 8 .1
GBP
|
2 9 7. 6
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
1, 0 9 8 . 4
GBP
|
1 , 1 94. 9
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
98. 2
GBP
|
12 0 . 8
GBP
|
| Miscellaneous equity [abstract] | ||
| Merger reserve |
59 0.0
GBP
|
59 0.0
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
2,94 0.9
GBP
|
2,995 .2
GBP
|
| Liabilities |
1, 0 51. 4
GBP
|
98 0.6
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
1, 69 0 . 4
GBP
|
1, 6 5 4 . 8
GBP
|
| Current liabilities |
685 .6
GBP
|
6 0 7. 7
GBP
|
| Assets less current liabilities [abstract] |