Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Derivative Instruments and Hedging Transactions (Exchange Rate Management) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Derivative [Line Items]          
Derivative open positions expected settlement period     2 days    
Unrealized gain (loss) on foreign exchange $ 52 $ 139 $ (18) $ 38  
Foreign Exchange          
Derivative [Line Items]          
Open inventory sale commitments 3,128   3,128   $ 4,130
Forward contracts          
Derivative [Line Items]          
Open inventory sale commitments $ 3,847   $ 3,847   $ 3,026
Futures and Forward Contract          
Derivative [Line Items]          
Derivative open positions expected settlement period     30 days