Derivative Financial Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - lb lb in Thousands	Dec. 31, 2015	Jun. 30, 2015
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	41,094	34,242
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	39,675	32,288
Cash Flow Hedging [Member] | Derivative Instruments Not Designated as Accounting Hedges [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	1,419	1,954