6. Earnings per share
 
  2018 
R’000 
    2017 
R’000 
 
Weighted average number of shares (‘000)          
Weighted average number of shares in issue for basic earnings per share and headline earnings per share calculations  335 718        333 497    
Potential dilutive impact of outstanding staff share appreciation rights and conditional awards  1 443        1 601    
   Number of outstanding staff share appreciation right equivalent shares  5 668        5 942    
   Number of shares deemed to be issued at fair value  (4 324)       (4 377)   
   Contingent issuable shares in terms of conditional share plan to be issued at fair value  99        36    
Weighted average number of shares in issue used for the calculation of diluted earnings and diluted headline earnings per share  337 161        335 098    
Attributable earnings                
Basic earnings per share and diluted earnings per share are based on profit attributable to shareholders of the Company (R’000) 3 817 996        4 769 940    
Basic earnings per share  1137,3        1430,3    
Diluted basic earnings per share  1132,4        1423,4    
Dilution (%) 0,4        0,5    
Headline earnings  R’000        R’000    
Profit attributable to shareholders of the Company  3 817 996        4 769 940    
Impairment of property plant and equipment; goodwill and intangible assets  12 840        (1 403)   
   Property, plant and equipment  3 311        (1 147)   
   Goodwill  15 258        –    
   Intangible assets  1 115        –    
   Taxation effect  –        158    
   Non-controlling interest  (6 844)       (414)   
Net loss on disposal of interests in subsidiaries and disposal and closure of businesses  155 828        50 874    
   Loss on disposal and closure  188 635        65 311    
   Impairment of disposal group assets held for sale  39 323        –    
   Taxation effect  (37 407)       (14 437)   
   Non-controlling interest  (34 723)       –    
Net loss (profit) on disposal and remeasurement to recoverable fair value of associates  234 338        (1 080 926)   
   Net change in shareholding in associates  (2 981)       82 072    
   Remeasurement to recoverable fair value of associates  248 709        (1 144 633)   
   Taxation effect  –        (18 365)   
   Non-controlling interest  (11 390)       –    
Net profit on disposal of property, plant and equipment and intangible assets  (24 185)       (7 114)   
   Property, plant and equipment  (39 796)       (8 446)   
   Intangible assets  (15 895)       (9 371)   
   Taxation effect  1 400        2 909    
   Non-controlling interest  30 106        7 794    
Compensation received on loss or impairment of property plant and equipment  (70 263)       –    
   Compensation received  (85 702)       –    
   Taxation effect  15 439        –    
Non-headline earnings items included in equity accounted earnings of associated companies  8 128        (24 265)   
Gain on a bargain purchase  –        (11 374)   
Headline earnings  4 134 682        3 695 732    
Headline earnings per share (cents) 1 231,6        1 108,2    
Diluted headline earnings per share (cents) 1 226,3        1 102,9    
Dilution (%) 0,4        0,5    
Normalised headline earnings per share                
Normalised headline earnings per share is a measurement used by the chief operating decision maker. The calculation of normalised headline earnings per share excludes acquisition costs and amortisation of acquired customer contracts and is based on the normalised headline profit attributable to ordinary shareholders, divided by the weighted average number of ordinary shares in issue during the year. The presentation of normalised headline earnings is not an IFRS requirement.                
Headline earnings  4 134 682        3 695 732    
Acquisition costs  50 190        24 230    
Amortisation of customer contracts  32 711        –    
Taxation effect  (4 522)       –    
Normalised headline earnings  4 213 061        3 719 962    
Normalised headline earnings per share (cents) 1 254,9        1 115,4