52 weeks    
    52 weeks   December 2019    
    December 2020   (Audited)   Period
Rm   (Reviewed)   (Restated)*   % change
Reconciliation of loss for the period to headline earnings            
   Loss for the year attributable to owners of the parent (IAS 33 earnings)   (1,737.7)   (1,307.5)   (32.9)
   Write-off of tangible and intangible assets   814.6   245.3   232.1
   Net loss/(profit) on disposal of tangible and intangible assets   30.4   (2.5)   1,316.0
   Profit on sale of non-current assets classified as held for sale     (27.6)   100.0
   Insurance proceeds on items of PP&E   (1.4)   (3.4)   58.8
   Total tax effects of adjustments   (30.2)   (55.8)   45.9
Headline loss   (924.3)   (1,151.5)   19.7
Reorganisation and restructure costs after taxation   95.5   23.8   301.3
Headline loss before reorganisation and restructure costs (taxed)   (828.8)   (1,127.7)   26.5
Foreign exchange after taxation   333.9   146.5   127.9
Headline loss before reorganisation, restructure and foreign exchange costs (taxed)   (494.9)   (981.2)   49.6
             
Headline loss per share (cents)   (426.8)   (529.0)   19.3
Headline loss per share before reorganisation, restructure and foreign exchange costs (taxed) (cents)   (228.5)   (450.7)   49.3
Diluted headline loss per share (cents)   (426.8)   (523.9)   18.5
Diluted headline loss per share before reorganisation, restructure and foreign exchange costs (taxed) (cents)   (228.5)   (446.4)   48.8
             
*Restated to apply the SAICA Circular 1/2019 on headline earnings which resulted in a prior year amount of R5.7 million relating to the pre-tax loss arising from the partial or full termination of leases no longer being a headline earnings adjustment. Refer to note 1.