Significant Accounting Policies Basis of Presentation (Details) (USD $)	0 Months Ended		3 Months Ended
	May 26, 2014	Mar. 26, 2014	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2007
Schedule of Equity Method Investments [Line Items]
Investment percentage threshold				50.00%
Brazilian Subsidiary [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		49.00%
Ownership percentage sold	51.00%	51.00%	51.00%
Zimbabwe [Member]
Schedule of Equity Method Investments [Line Items]
Cost method investments					$ 0