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Investments (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Investments    
Opening balance R$ 101,426 R$ 102,955
Write-off of investment due to spin-off (115,478)  
Share of profit in a joint venture 14,671  
Share of loss in a joint venture   (4,425)
Effect from currency translation adjustment (533) 2,896
Total balance R$ 86 R$ 101,426