Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-05-31 |
As at 2021-05-31 |
As at 2020-05-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
12,900,000
GBP
|
11,500,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
118,600,000
GBP
|
21,000,000
GBP
|
— |
| Goodwill |
266,100,000
GBP
|
182,900,000
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
300,000
GBP
|
300,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
77,700,000
GBP
|
68,700,000
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
900,000
GBP
|
1,100,000
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
73,200,000
GBP
|
116,500,000
GBP
|
95,000,000
GBP
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
200,000
GBP
|
–
GBP
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
107,100,000
GBP
|
33,200,000
GBP
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
18,500,000
GBP
|
–
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current contract liabilities [abstract] | |||
| Non-current contract liabilities |
600,000
GBP
|
700,000
GBP
|
— |
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
61,700,000
GBP
|
43,600,000
GBP
|
— |
| Trade and other current payables |
48,300,000
GBP
|
45,200,000
GBP
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
–
GBP
|
800,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
3,100,000
GBP
|
3,100,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
11,300,000
GBP
|
21,900,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
35,100,000
GBP
|
20,300,000
GBP
|
— |
| Reserve of cash flow hedges |
–
GBP
|
800,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Merger reserve |
42,300,000
GBP
|
42,300,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
576,400,000
GBP
|
432,300,000
GBP
|
— |
| Liabilities |
283,200,000
GBP
|
166,100,000
GBP
|
— |
| Assets (liabilities) |
293,200,000
GBP
|
266,200,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
155,100,000
GBP
|
190,800,000
GBP
|
— |
| Current liabilities |
145,900,000
GBP
|
101,100,000
GBP
|
— |
| Assets less current liabilities [abstract] | |||
| Net debt |
85,000,000
GBP
|
48,900,000
GBP
|
— |