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8. INVESTMENTS (Details 5) - CBSI - Companhia Brasileira De Servicos De Infraestrutura [Member]
R$ in Thousands
Nov. 29, 2019
BRL (R$)
InvestmentsLineItems [Line Items]  
Fair value of the interest held by the acquirer in the acquiree immediately before the combination R$ 8,775 [1]
Amount paid on the acquisition of CBSI 24,000 [2]
Purchase price considered for the business combination R$ 32,775
[1] 50% of the stake held prior to the acquisition;
[2] Total amount paid for another 50% of the CBSI company.