XML 69 R61.htm IDEA: XBRL DOCUMENT v3.10.0.1
PROPERTY PLANT AND EQUIPMENT (Details) - ZAR (R)
 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Disclosure of detailed information about property, plant and equipment [line items]      
Property plant and equipment beginning R 1,497,600,000    
Additions 126,100,000 R 116,300,000 R 100,000,000
Property plant and equipment ending 1,452,700,000 1,497,600,000  
Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Additions 126,100,000 116,300,000  
Disposals (73,700,000) 6,700,000  
Change in estimate of decommissioning asset 3,900,000 (34,400,000)  
Transfers between classes of property, plant and equipment   0  
Assets transferred from non-current assets held for sale   800,000  
Transferred to inventory   (5,800,000)  
Accumulated depreciation and impairment [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Depreciation (168,000,000) (179,800,000)  
Disposals 66,800,000 6,700,000  
Transfers between classes of property, plant and equipment   0  
Machinery, equipment and transportation equipment [member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Additions 82,500,000 37,600,000  
Disposals (56,300,000) 2,800,000  
Change in estimate of decommissioning asset (4,300,000) 27,000,000  
Transfers between classes of property, plant and equipment   92,100,000  
Assets transferred from non-current assets held for sale   0  
Transferred to inventory   (5,800,000)  
Machinery, equipment and transportation equipment [member] | Accumulated depreciation and impairment [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Depreciation (104,300,000) (108,700,000)  
Disposals 49,700,000 2,800,000  
Transfers between classes of property, plant and equipment   (56,200,000)  
Mine property and development Member [Member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Additions 40,200,000 65,300,000  
Disposals (17,400,000) 3,900,000  
Change in estimate of decommissioning asset 11,700,000 (60,900,000)  
Transfers between classes of property, plant and equipment   (81,700,000)  
Assets transferred from non-current assets held for sale   800,000  
Transferred to inventory   0  
Mine property and development Member [Member] | Accumulated depreciation and impairment [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Depreciation (63,700,000) (71,100,000)  
Disposals 17,100,000 3,900,000  
Transfers between classes of property, plant and equipment   53,500,000  
Exploration and evaluation assets [member] | Gross carrying amount [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Additions 3,400,000 13,400,000  
Disposals 0 0  
Change in estimate of decommissioning asset (3,500,000) (500,000)  
Transfers between classes of property, plant and equipment   (10,400,000)  
Assets transferred from non-current assets held for sale   0  
Transferred to inventory   0  
Exploration and evaluation assets [member] | Accumulated depreciation and impairment [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Depreciation 0 0  
Disposals R 0 0  
Transfers between classes of property, plant and equipment   R 2,700,000