Quarterly report pursuant to Section 13 or 15(d)

IMPAIRMENT OF INVESTMENT IN BOA VISTA SERVICOS (Details)

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IMPAIRMENT OF INVESTMENT IN BOA VISTA SERVICOS (Details)
BRL in Millions, $ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2015
BRL
Jun. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
BRL
Sep. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Mar. 31, 2015
BRL
Schedule of Cost-method Investments [Line Items]                
Investment in Boa Vista Servicos S.A. (BVS) | BRL BRL 44.0       BRL 44.0     BRL 90.0
Cost-method Investments, Other than Temporary Impairment BRL 46.0   $ 14.8 $ 0.0        
Cumulative Translation Adjustment           $ 36.4    
Boa Vista Servicos Sociedad Anonima [Member]                
Schedule of Cost-method Investments [Line Items]                
Business Acquisition, Percentage of Voting Interests Acquired         15.00% 15.00%    
Boa Vista Servicos Sociedad Anonima [Member]                
Schedule of Cost-method Investments [Line Items]                
Investment in Boa Vista Servicos S.A. (BVS)           $ 11.1 $ 14.1  
Cost-method Investments, Other than Temporary Impairment   $ 14.8