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LOANS AND BORROWINGS (Details Narrative) - BRL (R$)
R$ in Thousands
 9 Months Ended 12 Months Ended
Oct. 28, 2020
Dec. 27, 2019
Sep. 30, 2021
Dec. 31, 2020
DisclosureOfLoansAndFinancingLineItems [Line Items]        
Revolving credit facility, maximum borrowing capacity R$ 1,500,000 R$ 1,500,000    
Revolving credit facility, term 3 years 3 years    
Guarantees [member]        
DisclosureOfLoansAndFinancingLineItems [Line Items]        
Bank acceptance assets     R$ 556,103 R$ 590,933
Average cost percentage     1.93% 1.95%