Derivative Instruments and Hedging Activities - Fair Value of Derivatives Designated and Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Fair value of derivatives
Derivative, Fair Value, Net	$ (1,227)	$ (2,103)
Designated as Hedging Instrument [Member]
Fair value of derivatives
Derivative, Fair Value, Net	(480)	(2,070)
Not Designated as Hedging Instrument [Member]
Fair value of derivatives
Derivative, Fair Value, Net	(747)	(33)
Range Forward Contracts [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	1	4
Forward Starting Interest Rate Swap Contracts [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	431	20
Forward Starting Interest Rate Swap Contracts [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Fair value of derivatives
Derivative liabilities designated as hedging instruments	(912)	(2,094)
Currency Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Fair value of derivatives
Derivative assets designated as hedging instruments	0	12
Currency Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Fair value of derivatives
Derivative liabilities designated as hedging instruments	$ (747)	$ (45)