United States Dollar  
  Figures in millions unless otherwise stated 2018      2017   
27. TRADE AND OTHER PAYABLES          
  Trade payables 145.9     190.8  
  Accruals and other payables 236.7     238.8  
  Payroll payables 44.3     51.7  
  Gold, copper and foreign exchange derivative contracts1 22.6     3.3  
  Leave pay accrual 43.0     42.5  
  Interest payable on loans 10.5     10.2  
  Deferred consideration – refer note 16.2     11.2  
  Total trade and other payables 503.0     548.5  
  1 Comprises US$12.3 million (2017: US$nil) relating to Australian gold derivative contracts, US$1.6 million (2017: US$nil) relating to gold derivative contracts at South Deep, US$8.7 million (2017: US$nil) relating to Australian foreign exchange derivative contracts and US$nil (2017: US$3.3 million) relating to Peruvian copper derivative contracts. Refer note 38 for further details.