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 |
23,523,000
GBP
|
26,773,000
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
133,415,000
GBP
|
135,785,000
GBP
|
— |
| Goodwill |
3,742,000
GBP
|
3,742,000
GBP
|
— |
| Investment property [abstract] | |||
| Investment property |
7,895,000
GBP
|
8,049,000
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
68,335,000
GBP
|
55,892,000
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current accrued income other than current contract assets |
236,798,000
GBP
|
222,036,000
GBP
|
— |
| Trade and other current receivables |
118,377,000
GBP
|
104,066,000
GBP
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
26,574,000
GBP
|
23,411,000
GBP
|
— |
| Trade and other receivables [abstract] | |||
| Prepayments and accrued income other than contract assets [abstract] | |||
| Prepayments |
32,466,000
GBP
|
9,958,000
GBP
|
— |
| Prepayments and accrued income including contract assets [abstract] | |||
| Classes of current inventories [abstract] | |||
| Current inventories |
3,200,000
GBP
|
3,749,000
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash [abstract] | |||
| Cash |
79,020,000
GBP
|
57,829,000
GBP
|
— |
| Cash and cash equivalents |
79,020,000
GBP
|
57,829,000
GBP
|
193,804,000
GBP
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
191,717,000
GBP
|
176,509,000
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current accruals and current deferred income including current contract liabilities |
239,803,000
GBP
|
181,308,000
GBP
|
— |
| Trade and other current payables |
48,731,000
GBP
|
56,016,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4,042,000
GBP
|
4,007,000
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
102,708,000
GBP
|
93,802,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital redemption reserve |
107,000
GBP
|
107,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
736,394,000
GBP
|
651,391,000
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
499,484,000
GBP
|
421,150,000
GBP
|
— |
| Current liabilities |
288,534,000
GBP
|
237,324,000
GBP
|
— |
| Assets less current liabilities [abstract] | |||
| Assets less current liabilities |
251,510,000
GBP
|
232,631,000
GBP
|
— |