Derivatives and Hedging Activities (Derivative Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Accrued Liabilities And Other Current Liabilities [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0	$ 0
Accrued Liabilities And Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	26	21
Other Current Liabilities [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	9,433	3,504
Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0	$ 0