v3.23.3
Borrowings - Summary of Borrowings (Details) - GBP (£)
£ in Thousands
Jun. 30, 2023
Jun. 30, 2022
Disclosure of detailed information about borrowings [line items]    
Borrowings £ 0 £ 0
Revolving Credit Facility    
Disclosure of detailed information about borrowings [line items]    
Borrowings £ 0 £ 0
Revolving Credit Facility | SONIA/EURIBOR/USD LIBOR + variable margin | Bottom of range    
Disclosure of detailed information about borrowings [line items]    
Borrowings, interest rate 1.00%  
Revolving Credit Facility | SONIA/EURIBOR/USD LIBOR + variable margin | Top of range    
Disclosure of detailed information about borrowings [line items]    
Borrowings, interest rate 1.65%