Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
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 |
31 .7
GBP
|
2 1.1
GBP
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
1 40. 7
GBP
|
122,600,000
GBP
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
51 .7
GBP
|
16 .3
GBP
|
| Non-current derivative financial assets |
—
GBP
|
1 .1
GBP
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
10 4. 7
GBP
|
75. 6
GBP
|
| Classes of current inventories [abstract] | ||
| Current inventories |
65,300,000
GBP
|
58,700,000
GBP
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
96,400,000
GBP
|
128 .0
GBP
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
1 .0
GBP
|
5 .0
GBP
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
1 .3
GBP
|
—
GBP
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
9. 2
GBP
|
30,400,000
GBP
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
149. 5
GBP
|
1 26. 1
GBP
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current derivative financial liabilities |
0. 3
GBP
|
—
GBP
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
1,100,000
GBP
|
—
GBP
|
| Issued capital [abstract] | ||
| Issued capital |
2,900,000
GBP
|
2,900,000
GBP
|
| Retained earnings [abstract] | ||
| Retained earnings |
243. 2
GBP
|
194 .1
GBP
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
7. 6
GBP
|
6 .6
GBP
|
| Net assets (liabilities) [abstract] | ||
| Assets |
523. 9
GBP
|
45 0.7
GBP
|
| Liabilities |
2 0 7. 5
GBP
|
184 .5
GBP
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
268. 2
GBP
|
269. 2
GBP
|
| Current liabilities |
175 . 5
GBP
|
1 74 . 0
GBP
|
| Assets less current liabilities [abstract] |