Derivative Instruments and Hedging Activities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Jun. 30, 2013
Fair value of derivatives
Derivative Assets (Liabilities) at Fair Value, Net	$ (1,098)	$ 245
Designated as Hedging Instrument [Member]
Fair value of derivatives
Derivative Assets (Liabilities) at Fair Value, Net	(1,022)	205
Not Designated as Hedging Instrument [Member]
Fair value of derivatives
Derivative Assets (Liabilities) at Fair Value, Net	(76)	40
Range Forward Contracts [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	73	658
Range Forward Contracts [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Fair value of derivatives
Derivative liabilities designated as hedging instruments	(1,095)	(522)
Range Forward Contracts [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	0	69
Currency Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	56	48
Currency Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Fair value of derivatives
Derivative liabilities designated as hedging instruments	$ (132)	$ (8)