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OTHER OPERATING INCOME (EXPENSES), NET
 12 Months Ended
Dec. 31, 2017
Other operating income (expenses), net [Abstract]  
OTHER OPERATING INCOME (EXPENSES), NET
 
Year ended December 31,
 
2017
 
2016
 
2015
 
 
 
 
 
 
Results of sundry assets
1,190

 
1,270

 
2,009

Other operating income
—

 
—

 
10,625

 
 
 
 
 
 
Other operating income
1,190

 
1,270

 
12,634

 
 
 
 
 
 
Provision for legal claims and other matters (Note 19 and 25 (ii))
(2,783
)
 
(1,678
)
 
(3,180
)
Other operating expense
(14,647
)
 
(9,517
)
 
—

 
 
 
 
 
 
Other operating expense
(17,430
)
 
(11,195
)
 
(3,180
)
 
 
 
 
 
 
Other operating (expenses) income, net
(16,240
)
 
(9,925
)
 
9,454