Derivative Instruments and Hedging Activities - Fair Value of Derivatives Designated and Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Fair value of derivatives
Derivative, Fair Value, Net	$ 1,256	$ (429)
Designated as Hedging Instrument [Member]
Fair value of derivatives
Derivative, Fair Value, Net	1,590	323
Not Designated as Hedging Instrument [Member]
Fair value of derivatives
Derivative, Fair Value, Net	(334)	(752)
Range Forward Contracts [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	1,590	323
Currency Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	953	11
Currency Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Fair value of derivatives
Derivative liabilities designated as hedging instruments	$ (1,287)	$ (763)