Commitments and Contingencies (Details)		6 Months Ended			6 Months Ended		0 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 Foreign USD ($)	Mar. 31, 2014 Foreign USD ($)	Mar. 31, 2014 Foreign BRL	Dec. 31, 2014 Minimum Foreign USD ($)	Dec. 31, 2014 Maximum Foreign USD ($)	Feb. 03, 2014 Commonwealth of Kentucky Pending Litigation defendant
Loss Contingencies [Line Items]
Non-cancelable purchase commitments	$ 102,400,000
Number of co-defendants							2
Value of tax credits disallowed			1,500,000	3,443,914
Estimated interest in penalties		9,000,000
Potential total tax liability		$ 4,300,000			$ 0	$ 9,000,000