Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Transactions (Exchange Rate Management) (Details)

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Derivative Instruments and Hedging Transactions (Exchange Rate Management) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Jun. 30, 2019
Derivative [Line Items]          
Derivative open positions expected settlement period     2 days    
Unrealized gain (loss) on foreign exchange $ 125 $ 52 $ 3 $ (18)  
Foreign Exchange          
Derivative [Line Items]          
Open inventory sale commitments 3,642   3,642   $ 5,934
Forward contracts          
Derivative [Line Items]          
Open inventory sale commitments $ 4,877   $ 4,877   $ 4,667
Futures and Forward Contract          
Derivative [Line Items]          
Derivative open positions expected settlement period     30 days