v3.25.2
Administrative expenses (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Expense by nature        
Business combination costs $ 0.3 $ 0.1 $ 1.2 $ 0.3
Impairment of goodwill       87.9
Net (reversal of impairment)/impairment of withholding tax receivables (0.5) 2.8 (12.9) 10.9
Net gain on disposal of property, plant and equipment and right-of-use assets (2.2) (1.9) (1.0) (2.3)
Other 5.5 3.8 8.6 6.4
Administrative expense        
Expense by nature        
Staff costs 47.5 45.7 90.6 82.4
Facilities, short term rental and upkeep 8.2 8.1 16.5 16.5
Travel costs 2.9 3.1 5.5 6.0
Depreciation 2.2 2.7 4.9 5.4
Net loss allowance/(reversal of loss allowance) on trade receivables 1.4 (2.4) 1.8 2.2
Amortization 0.9 1.1 1.7 2.1
Operating taxes 0.5 0.2 0.6 0.7
Business combination costs 0.3 0.1 1.2 0.3
Impairment of goodwill       87.9
Net (reversal of impairment)/impairment of withholding tax receivables (0.5) 2.8 (12.9) 10.9
Net gain on disposal of property, plant and equipment and right-of-use assets (2.2) (1.9) (1.0) (2.3)
Professional fees 10.0 14.6 21.3 27.2
Other 6.1 7.3 10.6 13.3
Total $ 77.3 $ 81.4 $ 140.8 $ 252.6