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Financial Instruments Measured At Fair Value (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Jun. 30, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Number of foreign exchange hedges discontinued $ 0 $ 0 $ 0 $ 0  
Cash Flow Hedging [Member]          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount         $ 1,828,000
Fair value amounts of derivative contracts, net assets (liabilities)         84,000
Fair Value Hedging [Member]          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount 7,400,000   7,400,000    
Fair value amounts of derivative contracts, net assets (liabilities) (151,000)   (151,000)    
Fair Value Hedging [Member] | Not Designated as Hedging Instrument [Member]          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount 20,021,000   20,021,000   6,114,000
Fair value amounts of derivative contracts, net assets (liabilities) $ (467,000)   $ (467,000)   $ (38,000)