Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-03-31 |
As at 2021-03-31 |
As at 2020-03-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
38 . 3
GBP
|
32. 6
GBP
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
262 .1
GBP
|
2 59. 6
GBP
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current net defined benefit asset |
–
GBP
|
–
GBP
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
85 . 6
GBP
|
5 9. 4
GBP
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
123. 0
GBP
|
1 01 . 5
GBP
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
228,000,000
GBP
|
11 3. 6
GBP
|
117 .2
GBP
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
2 80 .9
GBP
|
2 8 1 . 6
GBP
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
134,700,000
GBP
|
133,000,000
GBP
|
— |
| Issued capital [abstract] | |||
| Issued capital |
10. 0
GBP
|
10 .0
GBP
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
1 ,7 1 1 . 3
GBP
|
1 , 5 37. 1
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
7. 0
GBP
|
2,700,000
GBP
|
— |
| Reserve of gains and losses on hedging instruments that hedge investments in equity instruments |
100,000
GBP
|
0 .1
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Capital redemption reserve |
–
GBP
|
–
GBP
|
— |
| Merger reserve |
1,400. 0
GBP
|
1 , 4 0 0 .0
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
8 59. 1
GBP
|
65 1. 8
GBP
|
— |
| Liabilities |
5 3 0.9
GBP
|
502,100,000
GBP
|
— |
| Assets (liabilities) |
328 . 2
GBP
|
1 49. 7
GBP
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
44 3 .6
GBP
|
2 74 . 8
GBP
|
— |
| Current liabilities |
155,000,000
GBP
|
152,300,000
GBP
|
— |
| Assets less current liabilities [abstract] |