Annual report pursuant to Section 13 and 15(d)

COST METHOD INVESTMENT (Additional Information) (Detail)

v3.3.1.900
COST METHOD INVESTMENT (Additional Information) (Detail)
BRL in Millions, $ in Millions
12 Months Ended
Dec. 31, 2015
BRL
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
BRL
Dec. 31, 2013
USD ($)
Dec. 31, 2015
USD ($)
Jun. 30, 2015
BRL
Jun. 30, 2015
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
BRL
Schedule of Cost-method Investments [Line Items]                    
Cost Method Investments, Fair Value Disclosure BRL 44     BRL 90   $ 11.5 BRL 44 $ 14.1 $ 38.2  
Cost-method Investments, Other than Temporary Impairment BRL 46 $ 14.8 $ 0.0 BRL 40 $ 17.0          
Cumulative Translation Adjustment balance in Accumulated Other Comprehensive Income | $           $ 39.0        
Boa Vista Servicos S.A.                    
Schedule of Cost-method Investments [Line Items]                    
Percentage of interest in Boa Vista Servicos S.A. 15.00%         15.00%        
Investment in Boa Vista Servicos S.A. | BRL                   BRL 130