Commitments and Contingencies (Narratives) (Details) - 3 months ended Sep. 30, 2016 BRL in Millions	USD ($)	BRL	BRL
Loss Contingencies [Line Items]
Non-cancelable purchase commitments	$ 70,600,000
Foreign | Secretariat of the Federal Revenue Bureau of Brazil
Loss Contingencies [Line Items]
Value of tax credits disallowed	1,100,000		BRL 3.4
Income tax examination, penalties and interest accrued	5,400,000		17.5
Estimated court fees	1,300,000	BRL 4.2
Tax liability related to the ICMS Tax Assessments, accrued	2,900,000		9.4
Foreign | Secretariat of the Federal Revenue Bureau of Brazil | Maximum
Loss Contingencies [Line Items]
Potential tax liability related to the ICMS Tax Assessments	$ 7,800,000		BRL 25.1