Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2025-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
2,241,000
GBP
|
3,719,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
39,367,000
GBP
|
48,472,000
GBP
|
— |
| Goodwill |
32,110,000
GBP
|
32,110,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
200,993,000
GBP
|
229,586,000
GBP
|
— |
| Categories of current financial assets [abstract] | |||
| Current financial assets |
3,866,000
GBP
|
8,157,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
75,901,000
GBP
|
104,318,000
GBP
|
121,037,000
GBP
|
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
205,856,000
GBP
|
241,363,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
637,000
GBP
|
648,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
150,445,000
GBP
|
183,461,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital redemption reserve |
19,000
GBP
|
19,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets (liabilities) |
138,162,000
GBP
|
171,234,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
280,760,000
GBP
|
342,061,000
GBP
|
— |
| Current liabilities |
205,856,000
GBP
|
241,363,000
GBP
|
— |
| Current assets (liabilities) |
74,904,000
GBP
|
100,698,000
GBP
|
— |
| Assets less current liabilities [abstract] |