Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
3,378,000
GBP
|
3,658,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
90,629,000
GBP
|
75,171,000
GBP
|
— |
| Goodwill |
38,586,000
GBP
|
27,577,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
241,682,000
GBP
|
235,496,000
GBP
|
— |
| Categories of current financial assets [abstract] | |||
| Current financial assets |
9,921,000
GBP
|
4,168,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
121,037,000
GBP
|
120,852,000
GBP
|
71,898,000
GBP
|
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
255,460,000
GBP
|
255,669,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
648,000
GBP
|
612,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
121,341,000
GBP
|
128,859,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital redemption reserve |
19,000
GBP
|
19,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets (liabilities) |
220,981,000
GBP
|
184,168,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
372,640,000
GBP
|
360,516,000
GBP
|
— |
| Current liabilities |
260,591,000
GBP
|
263,378,000
GBP
|
— |
| Current assets (liabilities) |
112,049,000
GBP
|
97,138,000
GBP
|
— |
| Assets less current liabilities [abstract] |