Foreign Exchange Forward Contracts (Narratives) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Derivative [Line Items]
Foreign currency transaction realized gain (loss)	$ (600,000)	$ 1,100,000	$ (1,100,000)	$ 800,000
Not Designated as Hedging Instrument | Forward Foreign Currency Contracts
Derivative [Line Items]
Notional principal amount of forward foreign currency contracts	$ 1,500,000		$ 1,500,000
Maximum maturities for contracts			60 days
Derivative instruments outstanding		$ 0		$ 0