v3.23.3
Business combinations - Acquisition of Comtrade Digital Services - Narrative (Details)
12 Months Ended
Aug. 17, 2020
GBP (£)
employee
Jun. 30, 2023
GBP (£)
Jun. 30, 2022
GBP (£)
Jun. 30, 2021
GBP (£)
Disclosure of detailed information about business combination [line items]        
Payment for acquisition of subsidiary, net of cash acquired   £ 79,691,000 £ 10,364,000 £ 101,258,000
Other comprehensive income, net of tax, exchange differences on translation   (9,999,000) £ 6,580,000 £ (9,782,000)
Comtrade CDS        
Disclosure of detailed information about business combination [line items]        
Number of employees | employee 460      
Initial cash consideration £ 48,639,000      
Fair value of deferred consideration £ 5,003,000      
Contingent consideration payment period 24 months      
Fair value of contingent consideration £ 186,000      
Payment for acquisition of subsidiary, net of cash acquired   3,500,000    
Other comprehensive income, net of tax, exchange differences on translation   £ 1,600,000    
Deferred tax liability 3,533,000      
Intangible assets - Client relationships 18,108,000      
Goodwill expected to be deductible for tax purposes 0      
Comtrade CDS | Client relationship        
Disclosure of detailed information about business combination [line items]        
Deferred tax liability 3,400,000      
Intangible assets - Client relationships 18,100,000      
Tax base of intangible assets at the date of acquisition £ 0