Derivative Instruments And Hedging Activities (Summary Of Amount And Location Of Derivative Financial Instruments) (Details) - Foreign Currency Hedging Instruments [Member] - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Derivatives, Fair Value [Line Items]
Net foreign currency hedging instruments	$ 7,669	$ 2,760
Other Assets - Current [Member]
Derivatives, Fair Value [Line Items]
Foreign currency hedging instruments, assets	9,687	2,614
Other Assets - Non Current [Member]
Derivatives, Fair Value [Line Items]
Foreign currency hedging instruments, assets		1,273
Foreign currency hedging instruments, liabilities	(126)
Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Foreign currency hedging instruments, liabilities	$ (1,892)	$ (1,127)