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ALLOWANCES AND PROVISIONS - NON CURRENT AND CURRENT
 12 Months Ended
Dec. 31, 2017
Provisions [abstract]  
ALLOWANCES AND PROVISIONS - NON CURRENT AND CURRENT
Provisions and allowances - Non current
 
 
 
 
Liabilities
 
Liabilities
 
Legal claims
and other
matters
 
Asset
retirement
obligation
 
 
 
 
Year ended December 31, 2017
 
 
 
Values at the beginning of the year
6,950

 
18,301

Translation differences
(39,757
)
 
853

Acquisition of business (note 3)
799,938

 
—

Additions
3,112

 
8,675

Reversals
(329
)
 
—

Uses
(1,397
)
 
—

 
 
 
 
At December 31, 2017
768,517

 
27,829

 
 
 
 
Year ended December 31, 2016
 
 
 
 
 
 
 
Values at the beginning of the year
8,142

 
18,273

Translation differences
(1,290
)
 
(3,102
)
Additions
2,757

 
3,130

Reversals
(1,079
)
 
—

Uses
(1,580
)
 
—

 
 
 
 
At December 31, 2016
6,950

 
18,301

Provisions and allowances - Current
Deducted from assets
 
Liabilities
 
Allowance for
doubtful
accounts
 
Obsolescence
allowance
 
Asset
retirement
obligation
 
 
 
 
 
 
Year ended December 31, 2017
 
 
 
 
 
 
 
 
 
 
 
Values at the beginning of the year
6,019

 
33,433

 
4,262

Translation differences
(504
)
 
(860
)
 
246

Acquisition of business (note 3)
10,822

 
12,385

 
—

Additions
1,365

 
9,959

 
443

Reversals
(680
)
 
(13,987
)
 
—

Uses
(479
)
 
(4,733
)
 
(2,292
)
 
 
 
 
 
 
At December 31, 2017
16,543

 
36,197

 
2,659

 
 
 
 
 
 
Year ended December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
Values at the beginning of the year
7,585

 
32,445

 
1,132

Translation differences
(656
)
 
(900
)
 
(276
)
Additions
2,574

 
16,616

 
4,031

Reversals
(2,286
)
 
(12,016
)
 
—

Uses
(1,198
)
 
(2,712
)
 
(625
)
 
 
 
 
 
 
At December 31, 2016
6,019

 
33,433

 
4,262