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Financial Instruments Measured At Fair Value (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Jun. 30, 2018
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 3,920,000   3,920,000    
Fair value amounts of derivative contracts, net liability (52,000)   (52,000)    
Fair Value Hedging [Member] | Not Designated as Hedging Instrument [Member]          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount 54,884,000   54,884,000   $ 20,986,000
Fair value amounts of derivative contracts, net liability $ (610,000)   $ (610,000)    
Fair value amounts of derivative contracts, net assets         $ 338,000