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Royalties Paid
12 Months Ended
Dec. 31, 2022
Disclosure of Royalty Payment [abstract]  
Royalties paid ROYALTIES PAID
United States Dollar
Figures in millions unless otherwise stated202220212020
Amount owing at beginning of the year(20.6)(17.7)(13.9)
Royalties(110.4)(112.4)(105.0)
Amount owing at end of the year17.9 20.6 17.7 
Translation0.8 0.7 (1.3)
Total royalties paid(112.3)(108.8)(102.5)