Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Leases - Right-of-use assets (Details)

v3.22.2.2
Leases - Right-of-use assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Disclosure of quantitative information about right-of-use assets [line items]      
Charge $ 923 $ 0 $ 0
Right of use assets at end of period 6,139    
Cost      
Disclosure of quantitative information about right-of-use assets [line items]      
Additions 8,301    
Foreign exchange on translation (1,321)    
Right of use assets at end of period 6,980    
Depreciation      
Disclosure of quantitative information about right-of-use assets [line items]      
Charge (923)    
Foreign exchange on translation 82    
Right of use assets at end of period (841)    
Land & buildings      
Disclosure of quantitative information about right-of-use assets [line items]      
Right of use assets at end of period 5,515    
Land & buildings | Cost      
Disclosure of quantitative information about right-of-use assets [line items]      
Additions 7,597    
Foreign exchange on translation (1,321)    
Right of use assets at end of period 6,276    
Land & buildings | Depreciation      
Disclosure of quantitative information about right-of-use assets [line items]      
Charge (841)    
Foreign exchange on translation 80    
Right of use assets at end of period (761)    
IT equipment      
Disclosure of quantitative information about right-of-use assets [line items]      
Right of use assets at end of period 624    
IT equipment | Cost      
Disclosure of quantitative information about right-of-use assets [line items]      
Additions 704    
Right of use assets at end of period 704    
IT equipment | Depreciation      
Disclosure of quantitative information about right-of-use assets [line items]      
Charge (82)    
Foreign exchange on translation 2    
Right of use assets at end of period $ (80)