XML 482 R204.htm IDEA: XBRL DOCUMENT v3.19.1
Capital Management - Summary of Reconciliation of Net Operating Profit (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2018
USD ($)
Times
Dec. 31, 2017
USD ($)
Times
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Disclosure of nature and extent of risks arising from financial instruments [line items]        
Borrowings $ 2,011.6 $ 1,781.5    
Less: Cash and cash equivalents 399.7 479.0 $ 526.7 $ 440.0
Net debt 1,611.9 1,302.5    
Adjusted EBITDA $ 1,111.6 $ 1,263.7    
Net debt to adjusted EBITDA | Times 1.45 1.03    
Reconciliation of (loss)/profit for the year to adjusted EBITDA:        
(Loss)/profit for the year $ (344.8) $ (7.7) 169.1  
Mining and income taxation from continuing operations (65.9) 173.2 189.5  
Mining and income taxation from discontinued operations 0.0 (1.4)    
Royalties 62.5 62.0 78.4  
Finance expense from continuing operations 88.0 81.3 78.1  
Investment income from continuing operations (7.8) (5.6) (8.3)  
Gain on financial instruments from continuing operations (21.0) (34.4)    
Foreign exchange loss from continuing operations (6.4) 3.5 6.4  
Amortisation and depreciation 668.4 748.1 671.4  
Share-based payments from continuing operations 37.5 26.8 14.0  
Long-term incentive plan from continuing operations 1.1 5.0 10.5  
Restructuring costs from continuing operations 113.9 9.2 11.7  
Silicosis settlement costs from continuing operations (4.5) 30.2 0.0  
Impairment, net of reversal of impairment of investments and assets from continuing operations 520.3 200.2 76.5  
Profit on disposal of assets from continuing operations 51.6 (4.0) (48.0)  
Gain on sale of discontinued operation, net of taxation 0.0 (16.4)    
Share of results of equity accounted investees, net of taxation 13.1 1.3 2.3  
Rehabilitation income from continuing operations (0.9) (13.5) (9.7)  
Realised gain on derivative contracts 53.8 0.0    
Gain on acquisition of Asanko (51.8) 0.0 0.0  
Other 4.5 1.3    
Adjusted EBITDA 1,111.6 1,263.7    
Discontinued operations [member]        
Reconciliation of (loss)/profit for the year to adjusted EBITDA:        
Royalties 0.0 1.1    
Amortisation and depreciation $ 0.0 3.5    
Share-based payments from continuing operations   $ 0.6 $ 0.4