Recoverable taxes (Details) R$ in Thousands		1 Months Ended	12 Months Ended
May 31, 2018	Jun. 30, 2018	Dec. 31, 2018 BRL (R$)	Dec. 31, 2017 BRL (R$)
Recoverable taxes
Withholding tax and prepaid income tax and social contribution			R$ 103,939	R$ 58,823
PIS and COFINS - on acquisition of fixed assets			55,518	58,767
PIS and COFINS - other operations			12,426	50,077
ICMS - on acquisition of fixed assets			78,154	71,603
ICMS - other operations			215,361	280,384
Reintegra Program			48,879	71,376
Other taxes and contributions			24,845	4,298
Provision for the impairment of ICMS credits			(10,792)	(10,583)
Recoverable taxes			528,330	584,745
Current assets			296,832	300,988
Non-current assets			R$ 231,498	R$ 283,757
Value-added tax, recognition ratio			0.02083
Reintegra rate	2.00%	0.10%

The excess of amount paid for current tax in respect of current and prior periods over the amount due for those periods. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 54
-Subparagraph n
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_n&doctype=Standard
-URIDate 2018-03-16

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- Definition

The current amount of current tax assets. [Refer: Current tax assets]

+ References

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- Definition

The non-current amount of current tax assets. [Refer: Current tax assets]

+ References

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- References

No definition available.

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- Definition

The amount of provision for impairment of value added tax on sales and services credits

+ References

No definition available.

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- Definition

The amount of recoverable taxes from other taxes and contributions.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

The amount of recoverable taxes from social integration program and social contribution on revenue relating to acquisition of fixed assets.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The amount of recoverable taxes from social integration program and social contribution on revenue relating to other operations.

+ References

No definition available.

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- Definition

The amount of recoverable taxes from value added tax on sales and services relating to acquisition of fixed assets.

+ References

No definition available.

+ Details

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- Definition

The amount of recoverable taxes from value added tax on sales and services relating to other operations.

+ References

No definition available.

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- Definition

The tax rate on special regime of tax refunds for export companies as per Brazilian law.

+ References

No definition available.

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- Definition

Reintegra is a tax incentive program that aims to refund the residual costs of taxes paid throughout the exportation chain to taxpayers in order to make them more competitive on international markets. The credit is calculated by a percentage over on the qualified export revenues.

+ References

No definition available.

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- Definition

The amount of withholding tax, prepaid Income Tax (IRPJ) and Social Contribution (CSLL).

+ References

No definition available.

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- Definition

The monthly ratio at which value-added tax on purchases of goods destined for property, plant and equipment is recognized.

+ References

No definition available.

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