Analysis Of Income And Expense [Abstract]
| Concept |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2022-03-27 to 2023-03-25 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
2021-03-28 to 2022-03-26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Interest income | — | — | — | — | — | — |
1,200,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
900,000
GBP
|
| Material income and expense [abstract] | ||||||||||||||||||
| Finance income (cost) | — | — | — | — | — | — |
9,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
5,500,000
GBP
|
| Interest expense | — | — | — | — | — | — |
11,600,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
6,200,000
GBP
|
| Expenses by nature [abstract] | ||||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||||
| Employee benefits expense | — | — | — | — | — | — |
1,100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
0 .2
GBP
|
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||||||
| Amortisation expense | — | — | — | — | — | — |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
1. 0
GBP
|
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||||||
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — | — | — |
100,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
100,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
–
GBP
|
–
GBP
|
–
GBP
|
5 .0
GBP
|
600,000
GBP
|
–
GBP
|
127 .8
GBP
|
1,300,000
GBP
|
132,100,000
GBP
|
2,300,000
GBP
|
–
GBP
|
–
GBP
|
1,500,000
GBP
|
0. 3
GBP
|
–
GBP
|
48. 6
GBP
|
–
GBP
|
49,700,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
126 .5
GBP
|
— | — | — | — | — | — | — | — | — | — |
47 .4
GBP
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
1,300,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,300,000
GBP
|