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Financial Risk Management and Derivatives (Details) - USD ($)
3 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Mar. 31, 2019
Foreign Currency Exchange Contracts [Abstract]      
Forward foreign currency exchange contracts included in prepaid and other current assets $ 242,000   $ 207,000
Forward Foreign Currency Exchange Contracts [Member]      
Foreign Currency Exchange Contracts [Abstract]      
Notional amount of foreign currency derivatives 35,021,000   $ 32,524,000
Forward Foreign Currency Exchange Contracts [Member] | General and Administrative Expenses [Member]      
Foreign Currency Exchange Contracts [Abstract]      
Forward foreign currency exchange contracts $ 35,000 $ (2,666,000)  
Forward Foreign Currency Exchange Contracts [Member] | Maximum [Member]      
Foreign Currency Exchange Contracts [Abstract]      
Derivative, Term of Contract     1 year