Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2025-03-31 |
As at 2024-03-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
85,600,000
GBP
|
80. 5
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
121 .8
GBP
|
138,200,000
GBP
|
| Trade and other non-current receivables [abstract] | ||
| Trade and other non-current receivables |
1 .0
GBP
|
1 .3
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
24. 4
GBP
|
16 .1
GBP
|
| Non-current derivative financial assets |
300,000
GBP
|
0. 2
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
126. 2
GBP
|
114 . 7
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
9 9.1
GBP
|
108 . 1
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
94. 1
GBP
|
97. 8
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
1 .9
GBP
|
2,300,000
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
500,000
GBP
|
0. 9
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
9,200,000
GBP
|
1 3.1
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
1 5 7. 7
GBP
|
166 . 2
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
900,000
GBP
|
–
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
0. 6
GBP
|
0. 1
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
2 .9
GBP
|
2,900,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
305 .0
GBP
|
292,600,000
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
5,400,000
GBP
|
7. 4
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
604,800,000
GBP
|
606. 3
GBP
|
| Liabilities |
228,700,000
GBP
|
24 0 . 6
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
330. 7
GBP
|
323 .9
GBP
|
| Current liabilities |
182 .6
GBP
|
198. 2
GBP
|
| Assets less current liabilities [abstract] |