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Note 23 - Non-current allowances and provisions - Liabilities (Details) - Provision for non-current liabilities [member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disclosure of other provisions [line items]
Values at the beginning of the year	$ 54,599	$ 36,089
Translation differences	(5,739)	(1,571)
Increase due to business combinations	26,542
Additional provisions	478	19,904
Reclassifications	557	5,641
Used	(3,219)	(5,464)
Values at the end of the year	$ 73,218	$ 54,599

X

- Definition

The increase in other provisions resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Other provisions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of additional other provisions made. [Refer: Other provisions]

+ References

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions]

+ References

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- Definition

The increase (decrease) in other provisions resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Other provisions]

+ References

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- Definition

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

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- Definition

The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]

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