Derivative Financial Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - lb lb in Thousands	Sep. 30, 2015	Jun. 30, 2015
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	37,316	34,242
Derivative Instruments Designated as Cash Flow Hedges [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	35,588	32,288
Derivative Instruments Not Designated as Accounting Hedges [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	1,728	1,954