XML 102 R85.htm IDEA: XBRL DOCUMENT v3.8.0.1
FINANCIAL RISK MANAGEMENT (Details 2) - Foreign Exchange Rate Risk [Member] - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Bottom of range [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Appreciation (depreciation) of R$ /GBP [1] (10.00%) (10.00%)
Positions effect on equity $ 80,500 $ 11,920
Effect on Other comprehensive income recognized in Total equity $ (386,620) $ 351,040
Top of range [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Appreciation (depreciation) of R$ /GBP [1] 10.00% 10.00%
Positions effect on equity $ (80,500) $ (11,920)
Effect on Other comprehensive income recognized in Total equity $ (316,330) $ (287,220)
Foreign Forward Instrument [Member] | Bottom of range [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Appreciation (depreciation) of R$ /GBP [2] (10.00%) (10.00%)
Positions effect on equity $ (10,700) $ (1,020)
Foreign Forward Instrument [Member] | Top of range [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Appreciation (depreciation) of R$ /GBP [2] 10.00% 10.00%
Positions effect on equity $ 9,700 $ 3,440
[1] Appreciation (depreciation) of US$ regard to the covered currencies.
[2] Both currencies (BRL and GBP) only apply period to the closing of 2016.